Home / 819,791.93-1,229,724.77-251,131.52

Finding the Fourth Proportional to 819,791.93, 1,229,724.77 and 251,131.52

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Solution

The fourth proportional to 819,791.93, 1,229,724.77 and 251,131.52 is: 376,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,791.93 : 1,229,724.77 = 251,131.52 : x
  2. Step 2: Convert to fraction form
    819,791.93/1,229,724.77 = 251,131.52/x
  3. Step 3: Cross multiply
    819,791.93x = 1,229,724.77 × 251,131.52
  4. Step 4: Simplify right side
    819,791.93x = 308,822,643,267.47
  5. Step 5: Solve for x
    x = 308,822,643,267.47/819,791.93
  6. Step 6: Final answer
    x = 376,708.57

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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.