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Finding the Fourth Proportional to 658,414.20, 908,685.44 and 371,952.73

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Solution

The fourth proportional to 658,414.20, 908,685.44 and 371,952.73 is: 513,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,414.20 : 908,685.44 = 371,952.73 : x
  2. Step 2: Convert to fraction form
    658,414.20/908,685.44 = 371,952.73/x
  3. Step 3: Cross multiply
    658,414.20x = 908,685.44 × 371,952.73
  4. Step 4: Simplify right side
    658,414.20x = 337,988,033,345.85
  5. Step 5: Solve for x
    x = 337,988,033,345.85/658,414.20
  6. Step 6: Final answer
    x = 513,336.49

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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.