Home / 728,171.52-1,092,246.48-443,945.76

Finding the Fourth Proportional to 728,171.52, 1,092,246.48 and 443,945.76

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Solution

The fourth proportional to 728,171.52, 1,092,246.48 and 443,945.76 is: 665,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,171.52 : 1,092,246.48 = 443,945.76 : x
  2. Step 2: Convert to fraction form
    728,171.52/1,092,246.48 = 443,945.76/x
  3. Step 3: Cross multiply
    728,171.52x = 1,092,246.48 × 443,945.76
  4. Step 4: Simplify right side
    728,171.52x = 484,898,193,670.93
  5. Step 5: Solve for x
    x = 484,898,193,670.93/728,171.52
  6. Step 6: Final answer
    x = 665,912.06

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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.