Home / 542,147.12-747,917.70-327,218.48

Finding the Fourth Proportional to 542,147.12, 747,917.70 and 327,218.48

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Solution

The fourth proportional to 542,147.12, 747,917.70 and 327,218.48 is: 451,413.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,147.12 : 747,917.70 = 327,218.48 : x
  2. Step 2: Convert to fraction form
    542,147.12/747,917.70 = 327,218.48/x
  3. Step 3: Cross multiply
    542,147.12x = 747,917.70 × 327,218.48
  4. Step 4: Simplify right side
    542,147.12x = 244,732,493,601.82
  5. Step 5: Solve for x
    x = 244,732,493,601.82/542,147.12
  6. Step 6: Final answer
    x = 451,413.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.