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Finding the Fourth Proportional to 542,231.66, 748,279.68 and 300,550.54

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Solution

The fourth proportional to 542,231.66, 748,279.68 and 300,550.54 is: 414,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,231.66 : 748,279.68 = 300,550.54 : x
  2. Step 2: Convert to fraction form
    542,231.66/748,279.68 = 300,550.54/x
  3. Step 3: Cross multiply
    542,231.66x = 748,279.68 × 300,550.54
  4. Step 4: Simplify right side
    542,231.66x = 224,895,861,895.03
  5. Step 5: Solve for x
    x = 224,895,861,895.03/542,231.66
  6. Step 6: Final answer
    x = 414,759.74

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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.