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Finding the Fourth Proportional to 542,188.46, 748,186.08 and 300,456.92

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Solution

The fourth proportional to 542,188.46, 748,186.08 and 300,456.92 is: 414,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,188.46 : 748,186.08 = 300,456.92 : x
  2. Step 2: Convert to fraction form
    542,188.46/748,186.08 = 300,456.92/x
  3. Step 3: Cross multiply
    542,188.46x = 748,186.08 × 300,456.92
  4. Step 4: Simplify right side
    542,188.46x = 224,797,685,183.67
  5. Step 5: Solve for x
    x = 224,797,685,183.67/542,188.46
  6. Step 6: Final answer
    x = 414,611.71

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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.