Home / 819,791.55-1,229,724.20-251,131.14

Finding the Fourth Proportional to 819,791.55, 1,229,724.20 and 251,131.14

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Solution

The fourth proportional to 819,791.55, 1,229,724.20 and 251,131.14 is: 376,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,791.55 : 1,229,724.20 = 251,131.14 : x
  2. Step 2: Convert to fraction form
    819,791.55/1,229,724.20 = 251,131.14/x
  3. Step 3: Cross multiply
    819,791.55x = 1,229,724.20 × 251,131.14
  4. Step 4: Simplify right side
    819,791.55x = 308,822,040,859.42
  5. Step 5: Solve for x
    x = 308,822,040,859.42/819,791.55
  6. Step 6: Final answer
    x = 376,708.01

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1.5x scale

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.