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Finding the Fourth Proportional to 542,186.29, 748,219.02 and 300,472.97

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Solution

The fourth proportional to 542,186.29, 748,219.02 and 300,472.97 is: 414,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,186.29 : 748,219.02 = 300,472.97 : x
  2. Step 2: Convert to fraction form
    542,186.29/748,219.02 = 300,472.97/x
  3. Step 3: Cross multiply
    542,186.29x = 748,219.02 × 300,472.97
  4. Step 4: Simplify right side
    542,186.29x = 224,819,591,149.89
  5. Step 5: Solve for x
    x = 224,819,591,149.89/542,186.29
  6. Step 6: Final answer
    x = 414,653.78

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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.