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Finding the Fourth Proportional to 539,187.65, 744,073.82 and 297,472.17

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Solution

The fourth proportional to 539,187.65, 744,073.82 and 297,472.17 is: 410,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,187.65 : 744,073.82 = 297,472.17 : x
  2. Step 2: Convert to fraction form
    539,187.65/744,073.82 = 297,472.17/x
  3. Step 3: Cross multiply
    539,187.65x = 744,073.82 × 297,472.17
  4. Step 4: Simplify right side
    539,187.65x = 221,341,252,388.23
  5. Step 5: Solve for x
    x = 221,341,252,388.23/539,187.65
  6. Step 6: Final answer
    x = 410,508.76

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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.