Home / 728,096.27-1,092,636.49-254,785.73

Finding the Fourth Proportional to 728,096.27, 1,092,636.49 and 254,785.73

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Solution

The fourth proportional to 728,096.27, 1,092,636.49 and 254,785.73 is: 382,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,096.27 : 1,092,636.49 = 254,785.73 : x
  2. Step 2: Convert to fraction form
    728,096.27/1,092,636.49 = 254,785.73/x
  3. Step 3: Cross multiply
    728,096.27x = 1,092,636.49 × 254,785.73
  4. Step 4: Simplify right side
    728,096.27x = 278,388,185,729.29
  5. Step 5: Solve for x
    x = 278,388,185,729.29/728,096.27
  6. Step 6: Final answer
    x = 382,350.79

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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.