Home / 800,349.30-1,200,587.13-267,872.31

Finding the Fourth Proportional to 800,349.30, 1,200,587.13 and 267,872.31

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Solution

The fourth proportional to 800,349.30, 1,200,587.13 and 267,872.31 is: 401,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,349.30 : 1,200,587.13 = 267,872.31 : x
  2. Step 2: Convert to fraction form
    800,349.30/1,200,587.13 = 267,872.31/x
  3. Step 3: Cross multiply
    800,349.30x = 1,200,587.13 × 267,872.31
  4. Step 4: Simplify right side
    800,349.30x = 321,604,047,869.37
  5. Step 5: Solve for x
    x = 321,604,047,869.37/800,349.30
  6. Step 6: Final answer
    x = 401,829.61

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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.