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Finding the Fourth Proportional to 656,335.80, 984,503.70 and 488,374.20

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Solution

The fourth proportional to 656,335.80, 984,503.70 and 488,374.20 is: 732,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,335.80 : 984,503.70 = 488,374.20 : x
  2. Step 2: Convert to fraction form
    656,335.80/984,503.70 = 488,374.20/x
  3. Step 3: Cross multiply
    656,335.80x = 984,503.70 × 488,374.20
  4. Step 4: Simplify right side
    656,335.80x = 480,806,206,884.54
  5. Step 5: Solve for x
    x = 480,806,206,884.54/656,335.80
  6. Step 6: Final answer
    x = 732,561.30

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Similar ratio
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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.