Home / 693,653.70-1,040,481.89-267,390.26

Finding the Fourth Proportional to 693,653.70, 1,040,481.89 and 267,390.26

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Solution

The fourth proportional to 693,653.70, 1,040,481.89 and 267,390.26 is: 401,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,653.70 : 1,040,481.89 = 267,390.26 : x
  2. Step 2: Convert to fraction form
    693,653.70/1,040,481.89 = 267,390.26/x
  3. Step 3: Cross multiply
    693,653.70x = 1,040,481.89 × 267,390.26
  4. Step 4: Simplify right side
    693,653.70x = 278,214,721,457.55
  5. Step 5: Solve for x
    x = 278,214,721,457.55/693,653.70
  6. Step 6: Final answer
    x = 401,085.90

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Similar ratio
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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.