Home / 800,836.83-1,200,418.38-267,919.47

Finding the Fourth Proportional to 800,836.83, 1,200,418.38 and 267,919.47

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Solution

The fourth proportional to 800,836.83, 1,200,418.38 and 267,919.47 is: 401,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,836.83 : 1,200,418.38 = 267,919.47 : x
  2. Step 2: Convert to fraction form
    800,836.83/1,200,418.38 = 267,919.47/x
  3. Step 3: Cross multiply
    800,836.83x = 1,200,418.38 × 267,919.47
  4. Step 4: Simplify right side
    800,836.83x = 321,615,456,147.86
  5. Step 5: Solve for x
    x = 321,615,456,147.86/800,836.83
  6. Step 6: Final answer
    x = 401,599.23

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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.