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Finding the Fourth Proportional to 624,339.38, 861,588.34 and 337,859.46

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Solution

The fourth proportional to 624,339.38, 861,588.34 and 337,859.46 is: 466,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,339.38 : 861,588.34 = 337,859.46 : x
  2. Step 2: Convert to fraction form
    624,339.38/861,588.34 = 337,859.46/x
  3. Step 3: Cross multiply
    624,339.38x = 861,588.34 × 337,859.46
  4. Step 4: Simplify right side
    624,339.38x = 291,095,775,147.92
  5. Step 5: Solve for x
    x = 291,095,775,147.92/624,339.38
  6. Step 6: Final answer
    x = 466,246.06

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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.