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Finding the Fourth Proportional to 542,688.80, 748,956.54 and 301,049.22

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Solution

The fourth proportional to 542,688.80, 748,956.54 and 301,049.22 is: 415,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,688.80 : 748,956.54 = 301,049.22 : x
  2. Step 2: Convert to fraction form
    542,688.80/748,956.54 = 301,049.22/x
  3. Step 3: Cross multiply
    542,688.80x = 748,956.54 × 301,049.22
  4. Step 4: Simplify right side
    542,688.80x = 225,472,782,180.90
  5. Step 5: Solve for x
    x = 225,472,782,180.90/542,688.80
  6. Step 6: Final answer
    x = 415,473.44

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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.