Home / 996,389.72-1,375,048.20-566,731.76

Finding the Fourth Proportional to 996,389.72, 1,375,048.20 and 566,731.76

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Solution

The fourth proportional to 996,389.72, 1,375,048.20 and 566,731.76 is: 782,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,389.72 : 1,375,048.20 = 566,731.76 : x
  2. Step 2: Convert to fraction form
    996,389.72/1,375,048.20 = 566,731.76/x
  3. Step 3: Cross multiply
    996,389.72x = 1,375,048.20 × 566,731.76
  4. Step 4: Simplify right side
    996,389.72x = 779,283,486,470.83
  5. Step 5: Solve for x
    x = 779,283,486,470.83/996,389.72
  6. Step 6: Final answer
    x = 782,107.11

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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.