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Finding the Fourth Proportional to 609,367.08, 840,916.24 and 337,429.16

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Solution

The fourth proportional to 609,367.08, 840,916.24 and 337,429.16 is: 465,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,367.08 : 840,916.24 = 337,429.16 : x
  2. Step 2: Convert to fraction form
    609,367.08/840,916.24 = 337,429.16/x
  3. Step 3: Cross multiply
    609,367.08x = 840,916.24 × 337,429.16
  4. Step 4: Simplify right side
    609,367.08x = 283,749,660,493.56
  5. Step 5: Solve for x
    x = 283,749,660,493.56/609,367.08
  6. Step 6: Final answer
    x = 465,646.52

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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.