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Finding the Fourth Proportional to 647,229.44, 971,033.52 and 331,906.88

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Solution

The fourth proportional to 647,229.44, 971,033.52 and 331,906.88 is: 497,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,229.44 : 971,033.52 = 331,906.88 : x
  2. Step 2: Convert to fraction form
    647,229.44/971,033.52 = 331,906.88/x
  3. Step 3: Cross multiply
    647,229.44x = 971,033.52 × 331,906.88
  4. Step 4: Simplify right side
    647,229.44x = 322,292,705,998.62
  5. Step 5: Solve for x
    x = 322,292,705,998.62/647,229.44
  6. Step 6: Final answer
    x = 497,957.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.