Home / 755,357.78-1,132,481.82-355,773.44

Finding the Fourth Proportional to 755,357.78, 1,132,481.82 and 355,773.44

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Solution

The fourth proportional to 755,357.78, 1,132,481.82 and 355,773.44 is: 533,398.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,357.78 : 1,132,481.82 = 355,773.44 : x
  2. Step 2: Convert to fraction form
    755,357.78/1,132,481.82 = 355,773.44/x
  3. Step 3: Cross multiply
    755,357.78x = 1,132,481.82 × 355,773.44
  4. Step 4: Simplify right side
    755,357.78x = 402,906,952,838.86
  5. Step 5: Solve for x
    x = 402,906,952,838.86/755,357.78
  6. Step 6: Final answer
    x = 533,398.83

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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.