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Finding the Fourth Proportional to 487,542.20, 730,001.10 and 487,542.20

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Solution

The fourth proportional to 487,542.20, 730,001.10 and 487,542.20 is: 730,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,542.20 : 730,001.10 = 487,542.20 : x
  2. Step 2: Convert to fraction form
    487,542.20/730,001.10 = 487,542.20/x
  3. Step 3: Cross multiply
    487,542.20x = 730,001.10 × 487,542.20
  4. Step 4: Simplify right side
    487,542.20x = 355,906,342,296.42
  5. Step 5: Solve for x
    x = 355,906,342,296.42/487,542.20
  6. Step 6: Final answer
    x = 730,001.10

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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.