Home / 797,560.52-1,101,002.10-491,691.56

Finding the Fourth Proportional to 797,560.52, 1,101,002.10 and 491,691.56

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Solution

The fourth proportional to 797,560.52, 1,101,002.10 and 491,691.56 is: 678,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,560.52 : 1,101,002.10 = 491,691.56 : x
  2. Step 2: Convert to fraction form
    797,560.52/1,101,002.10 = 491,691.56/x
  3. Step 3: Cross multiply
    797,560.52x = 1,101,002.10 × 491,691.56
  4. Step 4: Simplify right side
    797,560.52x = 541,353,440,112.28
  5. Step 5: Solve for x
    x = 541,353,440,112.28/797,560.52
  6. Step 6: Final answer
    x = 678,761.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.