Home / 749,825.40-1,124,738.10-251,189.40

Finding the Fourth Proportional to 749,825.40, 1,124,738.10 and 251,189.40

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Solution

The fourth proportional to 749,825.40, 1,124,738.10 and 251,189.40 is: 376,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,825.40 : 1,124,738.10 = 251,189.40 : x
  2. Step 2: Convert to fraction form
    749,825.40/1,124,738.10 = 251,189.40/x
  3. Step 3: Cross multiply
    749,825.40x = 1,124,738.10 × 251,189.40
  4. Step 4: Simplify right side
    749,825.40x = 282,522,288,496.14
  5. Step 5: Solve for x
    x = 282,522,288,496.14/749,825.40
  6. Step 6: Final answer
    x = 376,784.10

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Double scale
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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.