Home / 996,355.72-1,375,001.28-566,697.76

Finding the Fourth Proportional to 996,355.72, 1,375,001.28 and 566,697.76

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Solution

The fourth proportional to 996,355.72, 1,375,001.28 and 566,697.76 is: 782,060.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,355.72 : 1,375,001.28 = 566,697.76 : x
  2. Step 2: Convert to fraction form
    996,355.72/1,375,001.28 = 566,697.76/x
  3. Step 3: Cross multiply
    996,355.72x = 1,375,001.28 × 566,697.76
  4. Step 4: Simplify right side
    996,355.72x = 779,210,145,373.13
  5. Step 5: Solve for x
    x = 779,210,145,373.13/996,355.72
  6. Step 6: Final answer
    x = 782,060.19

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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.