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Finding the Fourth Proportional to 576,046.20, 864,069.30 and 457,073.40

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Solution

The fourth proportional to 576,046.20, 864,069.30 and 457,073.40 is: 685,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,046.20 : 864,069.30 = 457,073.40 : x
  2. Step 2: Convert to fraction form
    576,046.20/864,069.30 = 457,073.40/x
  3. Step 3: Cross multiply
    576,046.20x = 864,069.30 × 457,073.40
  4. Step 4: Simplify right side
    576,046.20x = 394,943,092,786.62
  5. Step 5: Solve for x
    x = 394,943,092,786.62/576,046.20
  6. Step 6: Final answer
    x = 685,610.10

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Similar ratio
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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.