Home / 755,769.90-1,132,984.17-306,822.54

Finding the Fourth Proportional to 755,769.90, 1,132,984.17 and 306,822.54

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Solution

The fourth proportional to 755,769.90, 1,132,984.17 and 306,822.54 is: 459,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,769.90 : 1,132,984.17 = 306,822.54 : x
  2. Step 2: Convert to fraction form
    755,769.90/1,132,984.17 = 306,822.54/x
  3. Step 3: Cross multiply
    755,769.90x = 1,132,984.17 × 306,822.54
  4. Step 4: Simplify right side
    755,769.90x = 347,625,080,819.19
  5. Step 5: Solve for x
    x = 347,625,080,819.19/755,769.90
  6. Step 6: Final answer
    x = 459,961.53

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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.