Home / 819,792.05-1,229,724.96-251,131.64

Finding the Fourth Proportional to 819,792.05, 1,229,724.96 and 251,131.64

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Solution

The fourth proportional to 819,792.05, 1,229,724.96 and 251,131.64 is: 376,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,792.05 : 1,229,724.96 = 251,131.64 : x
  2. Step 2: Convert to fraction form
    819,792.05/1,229,724.96 = 251,131.64/x
  3. Step 3: Cross multiply
    819,792.05x = 1,229,724.96 × 251,131.64
  4. Step 4: Simplify right side
    819,792.05x = 308,822,844,698.08
  5. Step 5: Solve for x
    x = 308,822,844,698.08/819,792.05
  6. Step 6: Final answer
    x = 376,708.76

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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.