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Finding the Fourth Proportional to 609,343.72, 840,884.04 and 337,405.72

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Solution

The fourth proportional to 609,343.72, 840,884.04 and 337,405.72 is: 465,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,343.72 : 840,884.04 = 337,405.72 : x
  2. Step 2: Convert to fraction form
    609,343.72/840,884.04 = 337,405.72/x
  3. Step 3: Cross multiply
    609,343.72x = 840,884.04 × 337,405.72
  4. Step 4: Simplify right side
    609,343.72x = 283,719,084,952.71
  5. Step 5: Solve for x
    x = 283,719,084,952.71/609,343.72
  6. Step 6: Final answer
    x = 465,614.19

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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.