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Finding the Fourth Proportional to 624,350.46, 861,605.81 and 337,870.47

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Solution

The fourth proportional to 624,350.46, 861,605.81 and 337,870.47 is: 466,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,350.46 : 861,605.81 = 337,870.47 : x
  2. Step 2: Convert to fraction form
    624,350.46/861,605.81 = 337,870.47/x
  3. Step 3: Cross multiply
    624,350.46x = 861,605.81 × 337,870.47
  4. Step 4: Simplify right side
    624,350.46x = 291,111,158,290.08
  5. Step 5: Solve for x
    x = 291,111,158,290.08/624,350.46
  6. Step 6: Final answer
    x = 466,262.42

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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.