Home / 689,959.68-1,033,791.24-240,432.78

Finding the Fourth Proportional to 689,959.68, 1,033,791.24 and 240,432.78

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Solution

The fourth proportional to 689,959.68, 1,033,791.24 and 240,432.78 is: 360,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,959.68 : 1,033,791.24 = 240,432.78 : x
  2. Step 2: Convert to fraction form
    689,959.68/1,033,791.24 = 240,432.78/x
  3. Step 3: Cross multiply
    689,959.68x = 1,033,791.24 × 240,432.78
  4. Step 4: Simplify right side
    689,959.68x = 248,557,301,772.85
  5. Step 5: Solve for x
    x = 248,557,301,772.85/689,959.68
  6. Step 6: Final answer
    x = 360,249.02

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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.