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Finding the Fourth Proportional to 737,243.71, 1,016,872.22 and 492,104.86

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Solution

The fourth proportional to 737,243.71, 1,016,872.22 and 492,104.86 is: 678,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,243.71 : 1,016,872.22 = 492,104.86 : x
  2. Step 2: Convert to fraction form
    737,243.71/1,016,872.22 = 492,104.86/x
  3. Step 3: Cross multiply
    737,243.71x = 1,016,872.22 × 492,104.86
  4. Step 4: Simplify right side
    737,243.71x = 500,407,765,233.43
  5. Step 5: Solve for x
    x = 500,407,765,233.43/737,243.71
  6. Step 6: Final answer
    x = 678,754.88

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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.