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Finding the Fourth Proportional to 609,330.41, 840,884.81 and 337,397.78

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Solution

The fourth proportional to 609,330.41, 840,884.81 and 337,397.78 is: 465,613.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,330.41 : 840,884.81 = 337,397.78 : x
  2. Step 2: Convert to fraction form
    609,330.41/840,884.81 = 337,397.78/x
  3. Step 3: Cross multiply
    609,330.41x = 840,884.81 × 337,397.78
  4. Step 4: Simplify right side
    609,330.41x = 283,712,668,129.72
  5. Step 5: Solve for x
    x = 283,712,668,129.72/609,330.41
  6. Step 6: Final answer
    x = 465,613.83

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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.