Home / 800,346.42-1,200,394.34-267,863.22

Finding the Fourth Proportional to 800,346.42, 1,200,394.34 and 267,863.22

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Solution

The fourth proportional to 800,346.42, 1,200,394.34 and 267,863.22 is: 401,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,346.42 : 1,200,394.34 = 267,863.22 : x
  2. Step 2: Convert to fraction form
    800,346.42/1,200,394.34 = 267,863.22/x
  3. Step 3: Cross multiply
    800,346.42x = 1,200,394.34 × 267,863.22
  4. Step 4: Simplify right side
    800,346.42x = 321,541,493,182.18
  5. Step 5: Solve for x
    x = 321,541,493,182.18/800,346.42
  6. Step 6: Final answer
    x = 401,752.90

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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.