Home / 727,736.27-1,091,553.23-272,240.60

Finding the Fourth Proportional to 727,736.27, 1,091,553.23 and 272,240.60

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Solution

The fourth proportional to 727,736.27, 1,091,553.23 and 272,240.60 is: 408,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,736.27 : 1,091,553.23 = 272,240.60 : x
  2. Step 2: Convert to fraction form
    727,736.27/1,091,553.23 = 272,240.60/x
  3. Step 3: Cross multiply
    727,736.27x = 1,091,553.23 × 272,240.60
  4. Step 4: Simplify right side
    727,736.27x = 297,165,101,489.97
  5. Step 5: Solve for x
    x = 297,165,101,489.97/727,736.27
  6. Step 6: Final answer
    x = 408,341.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.