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Finding the Fourth Proportional to 576,498.60, 864,747.90 and 310,778.10

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Solution

The fourth proportional to 576,498.60, 864,747.90 and 310,778.10 is: 466,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,498.60 : 864,747.90 = 310,778.10 : x
  2. Step 2: Convert to fraction form
    576,498.60/864,747.90 = 310,778.10/x
  3. Step 3: Cross multiply
    576,498.60x = 864,747.90 × 310,778.10
  4. Step 4: Simplify right side
    576,498.60x = 268,744,709,340.99
  5. Step 5: Solve for x
    x = 268,744,709,340.99/576,498.60
  6. Step 6: Final answer
    x = 466,167.15

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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.