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Finding the Fourth Proportional to 551,475.38, 827,448.47 and 267,375.76

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Solution

The fourth proportional to 551,475.38, 827,448.47 and 267,375.76 is: 401,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,475.38 : 827,448.47 = 267,375.76 : x
  2. Step 2: Convert to fraction form
    551,475.38/827,448.47 = 267,375.76/x
  3. Step 3: Cross multiply
    551,475.38x = 827,448.47 × 267,375.76
  4. Step 4: Simplify right side
    551,475.38x = 221,239,663,527.09
  5. Step 5: Solve for x
    x = 221,239,663,527.09/551,475.38
  6. Step 6: Final answer
    x = 401,177.77

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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.