Home / 749,860.56-1,034,807.64-410,328.84

Finding the Fourth Proportional to 749,860.56, 1,034,807.64 and 410,328.84

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Solution

The fourth proportional to 749,860.56, 1,034,807.64 and 410,328.84 is: 566,253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,860.56 : 1,034,807.64 = 410,328.84 : x
  2. Step 2: Convert to fraction form
    749,860.56/1,034,807.64 = 410,328.84/x
  3. Step 3: Cross multiply
    749,860.56x = 1,034,807.64 × 410,328.84
  4. Step 4: Simplify right side
    749,860.56x = 424,611,418,544.34
  5. Step 5: Solve for x
    x = 424,611,418,544.34/749,860.56
  6. Step 6: Final answer
    x = 566,253.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.