Home / 1,079.50-1,619.11-494.33

Finding the Fourth Proportional to 1,079.50, 1,619.11 and 494.33

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Solution

The fourth proportional to 1,079.50, 1,619.11 and 494.33 is: 741.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079.50 : 1,619.11 = 494.33 : x
  2. Step 2: Convert to fraction form
    1,079.50/1,619.11 = 494.33/x
  3. Step 3: Cross multiply
    1,079.50x = 1,619.11 × 494.33
  4. Step 4: Simplify right side
    1,079.50x = 800,374.65
  5. Step 5: Solve for x
    x = 800,374.65/1,079.50
  6. Step 6: Final answer
    x = 741.43

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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.