Home / 728,042.82-1,092,556.56-254,732.28

Finding the Fourth Proportional to 728,042.82, 1,092,556.56 and 254,732.28

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Solution

The fourth proportional to 728,042.82, 1,092,556.56 and 254,732.28 is: 382,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,042.82 : 1,092,556.56 = 254,732.28 : x
  2. Step 2: Convert to fraction form
    728,042.82/1,092,556.56 = 254,732.28/x
  3. Step 3: Cross multiply
    728,042.82x = 1,092,556.56 × 254,732.28
  4. Step 4: Simplify right side
    728,042.82x = 278,309,423,557.76
  5. Step 5: Solve for x
    x = 278,309,423,557.76/728,042.82
  6. Step 6: Final answer
    x = 382,270.68

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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.