Home / 699,791.26-1,049,679.96-320,604.42

Finding the Fourth Proportional to 699,791.26, 1,049,679.96 and 320,604.42

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Solution

The fourth proportional to 699,791.26, 1,049,679.96 and 320,604.42 is: 480,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,791.26 : 1,049,679.96 = 320,604.42 : x
  2. Step 2: Convert to fraction form
    699,791.26/1,049,679.96 = 320,604.42/x
  3. Step 3: Cross multiply
    699,791.26x = 1,049,679.96 × 320,604.42
  4. Step 4: Simplify right side
    699,791.26x = 336,532,034,761.42
  5. Step 5: Solve for x
    x = 336,532,034,761.42/699,791.26
  6. Step 6: Final answer
    x = 480,903.46

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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.