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Finding the Fourth Proportional to 585,269.60, 807,737.60 and 330,637.20

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Solution

The fourth proportional to 585,269.60, 807,737.60 and 330,637.20 is: 456,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,269.60 : 807,737.60 = 330,637.20 : x
  2. Step 2: Convert to fraction form
    585,269.60/807,737.60 = 330,637.20/x
  3. Step 3: Cross multiply
    585,269.60x = 807,737.60 × 330,637.20
  4. Step 4: Simplify right side
    585,269.60x = 267,068,098,398.72
  5. Step 5: Solve for x
    x = 267,068,098,398.72/585,269.60
  6. Step 6: Final answer
    x = 456,316.37

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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.