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Finding the Fourth Proportional to 576,281.70, 864,414.45 and 260,738.10

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Solution

The fourth proportional to 576,281.70, 864,414.45 and 260,738.10 is: 391,103.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,281.70 : 864,414.45 = 260,738.10 : x
  2. Step 2: Convert to fraction form
    576,281.70/864,414.45 = 260,738.10/x
  3. Step 3: Cross multiply
    576,281.70x = 864,414.45 × 260,738.10
  4. Step 4: Simplify right side
    576,281.70x = 225,385,781,305.55
  5. Step 5: Solve for x
    x = 225,385,781,305.55/576,281.70
  6. Step 6: Final answer
    x = 391,103.49

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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.