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Finding the Fourth Proportional to 488,372.70, 732,559.05 and 409,640.70

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Solution

The fourth proportional to 488,372.70, 732,559.05 and 409,640.70 is: 614,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,372.70 : 732,559.05 = 409,640.70 : x
  2. Step 2: Convert to fraction form
    488,372.70/732,559.05 = 409,640.70/x
  3. Step 3: Cross multiply
    488,372.70x = 732,559.05 × 409,640.70
  4. Step 4: Simplify right side
    488,372.70x = 300,086,002,033.34
  5. Step 5: Solve for x
    x = 300,086,002,033.34/488,372.70
  6. Step 6: Final answer
    x = 614,461.05

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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.