Home / 728,015.27-1,092,078.19-248,093.91

Finding the Fourth Proportional to 728,015.27, 1,092,078.19 and 248,093.91

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Solution

The fourth proportional to 728,015.27, 1,092,078.19 and 248,093.91 is: 372,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,015.27 : 1,092,078.19 = 248,093.91 : x
  2. Step 2: Convert to fraction form
    728,015.27/1,092,078.19 = 248,093.91/x
  3. Step 3: Cross multiply
    728,015.27x = 1,092,078.19 × 248,093.91
  4. Step 4: Simplify right side
    728,015.27x = 270,937,948,182.82
  5. Step 5: Solve for x
    x = 270,937,948,182.82/728,015.27
  6. Step 6: Final answer
    x = 372,159.71

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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.