Home / 818,794.75-1,227,691.85-392,461.03

Finding the Fourth Proportional to 818,794.75, 1,227,691.85 and 392,461.03

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Solution

The fourth proportional to 818,794.75, 1,227,691.85 and 392,461.03 is: 588,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,794.75 : 1,227,691.85 = 392,461.03 : x
  2. Step 2: Convert to fraction form
    818,794.75/1,227,691.85 = 392,461.03/x
  3. Step 3: Cross multiply
    818,794.75x = 1,227,691.85 × 392,461.03
  4. Step 4: Simplify right side
    818,794.75x = 481,821,206,011.30
  5. Step 5: Solve for x
    x = 481,821,206,011.30/818,794.75
  6. Step 6: Final answer
    x = 588,451.75

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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.