Home / 819,698.24-1,229,629.38-251,072.76

Finding the Fourth Proportional to 819,698.24, 1,229,629.38 and 251,072.76

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Solution

The fourth proportional to 819,698.24, 1,229,629.38 and 251,072.76 is: 376,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,698.24 : 1,229,629.38 = 251,072.76 : x
  2. Step 2: Convert to fraction form
    819,698.24/1,229,629.38 = 251,072.76/x
  3. Step 3: Cross multiply
    819,698.24x = 1,229,629.38 × 251,072.76
  4. Step 4: Simplify right side
    819,698.24x = 308,726,442,213.69
  5. Step 5: Solve for x
    x = 308,726,442,213.69/819,698.24
  6. Step 6: Final answer
    x = 376,634.26

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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.