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Finding the Fourth Proportional to 550,599.78, 825,866.47 and 327,380.73

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Solution

The fourth proportional to 550,599.78, 825,866.47 and 327,380.73 is: 491,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,599.78 : 825,866.47 = 327,380.73 : x
  2. Step 2: Convert to fraction form
    550,599.78/825,866.47 = 327,380.73/x
  3. Step 3: Cross multiply
    550,599.78x = 825,866.47 × 327,380.73
  4. Step 4: Simplify right side
    550,599.78x = 270,372,767,831.12
  5. Step 5: Solve for x
    x = 270,372,767,831.12/550,599.78
  6. Step 6: Final answer
    x = 491,051.35

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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.