Home / 728,037.25-1,092,111.09-248,115.85

Finding the Fourth Proportional to 728,037.25, 1,092,111.09 and 248,115.85

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Solution

The fourth proportional to 728,037.25, 1,092,111.09 and 248,115.85 is: 372,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,037.25 : 1,092,111.09 = 248,115.85 : x
  2. Step 2: Convert to fraction form
    728,037.25/1,092,111.09 = 248,115.85/x
  3. Step 3: Cross multiply
    728,037.25x = 1,092,111.09 × 248,115.85
  4. Step 4: Simplify right side
    728,037.25x = 270,970,071,389.78
  5. Step 5: Solve for x
    x = 270,970,071,389.78/728,037.25
  6. Step 6: Final answer
    x = 372,192.59

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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.