Home / 1,311.26-1,965.68-444.97

Finding the Fourth Proportional to 1,311.26, 1,965.68 and 444.97

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Solution

The fourth proportional to 1,311.26, 1,965.68 and 444.97 is: 667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311.26 : 1,965.68 = 444.97 : x
  2. Step 2: Convert to fraction form
    1,311.26/1,965.68 = 444.97/x
  3. Step 3: Cross multiply
    1,311.26x = 1,965.68 × 444.97
  4. Step 4: Simplify right side
    1,311.26x = 874,668.63
  5. Step 5: Solve for x
    x = 874,668.63/1,311.26
  6. Step 6: Final answer
    x = 667.04

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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.