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Finding the Fourth Proportional to 542,224.01, 748,257.76 and 300,504.47

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Solution

The fourth proportional to 542,224.01, 748,257.76 and 300,504.47 is: 414,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,224.01 : 748,257.76 = 300,504.47 : x
  2. Step 2: Convert to fraction form
    542,224.01/748,257.76 = 300,504.47/x
  3. Step 3: Cross multiply
    542,224.01x = 748,257.76 × 300,504.47
  4. Step 4: Simplify right side
    542,224.01x = 224,854,801,592.19
  5. Step 5: Solve for x
    x = 224,854,801,592.19/542,224.01
  6. Step 6: Final answer
    x = 414,689.87

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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.