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Finding the Fourth Proportional to 488,031.20, 732,046.80 and 411,048.80

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Solution

The fourth proportional to 488,031.20, 732,046.80 and 411,048.80 is: 616,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,031.20 : 732,046.80 = 411,048.80 : x
  2. Step 2: Convert to fraction form
    488,031.20/732,046.80 = 411,048.80/x
  3. Step 3: Cross multiply
    488,031.20x = 732,046.80 × 411,048.80
  4. Step 4: Simplify right side
    488,031.20x = 300,906,958,683.84
  5. Step 5: Solve for x
    x = 300,906,958,683.84/488,031.20
  6. Step 6: Final answer
    x = 616,573.20

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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.