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Finding the Fourth Proportional to 492,854.10, 739,281.15 and 408,873.30

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Solution

The fourth proportional to 492,854.10, 739,281.15 and 408,873.30 is: 613,309.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,854.10 : 739,281.15 = 408,873.30 : x
  2. Step 2: Convert to fraction form
    492,854.10/739,281.15 = 408,873.30/x
  3. Step 3: Cross multiply
    492,854.10x = 739,281.15 × 408,873.30
  4. Step 4: Simplify right side
    492,854.10x = 302,272,323,428.30
  5. Step 5: Solve for x
    x = 302,272,323,428.30/492,854.10
  6. Step 6: Final answer
    x = 613,309.95

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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.