Home / 749,811.40-1,124,717.10-251,175.40

Finding the Fourth Proportional to 749,811.40, 1,124,717.10 and 251,175.40

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Solution

The fourth proportional to 749,811.40, 1,124,717.10 and 251,175.40 is: 376,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,811.40 : 1,124,717.10 = 251,175.40 : x
  2. Step 2: Convert to fraction form
    749,811.40/1,124,717.10 = 251,175.40/x
  3. Step 3: Cross multiply
    749,811.40x = 1,124,717.10 × 251,175.40
  4. Step 4: Simplify right side
    749,811.40x = 282,501,267,479.34
  5. Step 5: Solve for x
    x = 282,501,267,479.34/749,811.40
  6. Step 6: Final answer
    x = 376,763.10

Related Problems

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Half scale
Find fourth proportional to 1,499,622.80, 2,249,434.20 and 502,350.80
Double scale
Find fourth proportional to 749,812.40, 1,124,718.60 and 251,176.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.