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Finding the Fourth Proportional to 510,057.70, 765,086.55 and 481,027.30

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Solution

The fourth proportional to 510,057.70, 765,086.55 and 481,027.30 is: 721,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,057.70 : 765,086.55 = 481,027.30 : x
  2. Step 2: Convert to fraction form
    510,057.70/765,086.55 = 481,027.30/x
  3. Step 3: Cross multiply
    510,057.70x = 765,086.55 × 481,027.30
  4. Step 4: Simplify right side
    510,057.70x = 368,027,517,412.82
  5. Step 5: Solve for x
    x = 368,027,517,412.82/510,057.70
  6. Step 6: Final answer
    x = 721,540.95

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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.