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Finding the Fourth Proportional to 487,319.40, 730,979.10 and 466,324.20

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Solution

The fourth proportional to 487,319.40, 730,979.10 and 466,324.20 is: 699,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,319.40 : 730,979.10 = 466,324.20 : x
  2. Step 2: Convert to fraction form
    487,319.40/730,979.10 = 466,324.20/x
  3. Step 3: Cross multiply
    487,319.40x = 730,979.10 × 466,324.20
  4. Step 4: Simplify right side
    487,319.40x = 340,873,244,024.22
  5. Step 5: Solve for x
    x = 340,873,244,024.22/487,319.40
  6. Step 6: Final answer
    x = 699,486.30

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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.