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Finding the Fourth Proportional to 542,439.58, 748,610.82 and 300,797.92

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Solution

The fourth proportional to 542,439.58, 748,610.82 and 300,797.92 is: 415,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,439.58 : 748,610.82 = 300,797.92 : x
  2. Step 2: Convert to fraction form
    542,439.58/748,610.82 = 300,797.92/x
  3. Step 3: Cross multiply
    542,439.58x = 748,610.82 × 300,797.92
  4. Step 4: Simplify right side
    542,439.58x = 225,180,577,545.49
  5. Step 5: Solve for x
    x = 225,180,577,545.49/542,439.58
  6. Step 6: Final answer
    x = 415,125.64

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1.5x scale

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.