Home / 539,078.20-807,548.10-472,593.40

Finding the Fourth Proportional to 539,078.20, 807,548.10 and 472,593.40

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Solution

The fourth proportional to 539,078.20, 807,548.10 and 472,593.40 is: 707,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,078.20 : 807,548.10 = 472,593.40 : x
  2. Step 2: Convert to fraction form
    539,078.20/807,548.10 = 472,593.40/x
  3. Step 3: Cross multiply
    539,078.20x = 807,548.10 × 472,593.40
  4. Step 4: Simplify right side
    539,078.20x = 381,641,902,242.54
  5. Step 5: Solve for x
    x = 381,641,902,242.54/539,078.20
  6. Step 6: Final answer
    x = 707,952.77

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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.