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Finding the Fourth Proportional to 539,089.52, 743,930.40 and 297,366.80

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Solution

The fourth proportional to 539,089.52, 743,930.40 and 297,366.80 is: 410,358.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,089.52 : 743,930.40 = 297,366.80 : x
  2. Step 2: Convert to fraction form
    539,089.52/743,930.40 = 297,366.80/x
  3. Step 3: Cross multiply
    539,089.52x = 743,930.40 × 297,366.80
  4. Step 4: Simplify right side
    539,089.52x = 221,220,202,470.72
  5. Step 5: Solve for x
    x = 221,220,202,470.72/539,089.52
  6. Step 6: Final answer
    x = 410,358.94

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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.