Home / 762,456.28-1,144,057.08-539,251.12

Finding the Fourth Proportional to 762,456.28, 1,144,057.08 and 539,251.12

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Solution

The fourth proportional to 762,456.28, 1,144,057.08 and 539,251.12 is: 809,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,456.28 : 1,144,057.08 = 539,251.12 : x
  2. Step 2: Convert to fraction form
    762,456.28/1,144,057.08 = 539,251.12/x
  3. Step 3: Cross multiply
    762,456.28x = 1,144,057.08 × 539,251.12
  4. Step 4: Simplify right side
    762,456.28x = 616,934,061,733.93
  5. Step 5: Solve for x
    x = 616,934,061,733.93/762,456.28
  6. Step 6: Final answer
    x = 809,140.25

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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.