Home / 996,387.72-1,375,045.44-566,729.76

Finding the Fourth Proportional to 996,387.72, 1,375,045.44 and 566,729.76

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Solution

The fourth proportional to 996,387.72, 1,375,045.44 and 566,729.76 is: 782,104.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,387.72 : 1,375,045.44 = 566,729.76 : x
  2. Step 2: Convert to fraction form
    996,387.72/1,375,045.44 = 566,729.76/x
  3. Step 3: Cross multiply
    996,387.72x = 1,375,045.44 × 566,729.76
  4. Step 4: Simplify right side
    996,387.72x = 779,279,172,200.29
  5. Step 5: Solve for x
    x = 779,279,172,200.29/996,387.72
  6. Step 6: Final answer
    x = 782,104.35

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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.