Home / 728,104.78-1,092,649.23-254,794.24

Finding the Fourth Proportional to 728,104.78, 1,092,649.23 and 254,794.24

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Solution

The fourth proportional to 728,104.78, 1,092,649.23 and 254,794.24 is: 382,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,104.78 : 1,092,649.23 = 254,794.24 : x
  2. Step 2: Convert to fraction form
    728,104.78/1,092,649.23 = 254,794.24/x
  3. Step 3: Cross multiply
    728,104.78x = 1,092,649.23 × 254,794.24
  4. Step 4: Simplify right side
    728,104.78x = 278,400,730,144.44
  5. Step 5: Solve for x
    x = 278,400,730,144.44/728,104.78
  6. Step 6: Final answer
    x = 382,363.55

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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.