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Finding the Fourth Proportional to 550,598.78, 825,864.98 and 327,379.73

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Solution

The fourth proportional to 550,598.78, 825,864.98 and 327,379.73 is: 491,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,598.78 : 825,864.98 = 327,379.73 : x
  2. Step 2: Convert to fraction form
    550,598.78/825,864.98 = 327,379.73/x
  3. Step 3: Cross multiply
    550,598.78x = 825,864.98 × 327,379.73
  4. Step 4: Simplify right side
    550,598.78x = 270,371,448,402.63
  5. Step 5: Solve for x
    x = 270,371,448,402.63/550,598.78
  6. Step 6: Final answer
    x = 491,049.85

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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.