Home / 1,060.28-1,589.99-443.69

Finding the Fourth Proportional to 1,060.28, 1,589.99 and 443.69

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Solution

The fourth proportional to 1,060.28, 1,589.99 and 443.69 is: 665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.28 : 1,589.99 = 443.69 : x
  2. Step 2: Convert to fraction form
    1,060.28/1,589.99 = 443.69/x
  3. Step 3: Cross multiply
    1,060.28x = 1,589.99 × 443.69
  4. Step 4: Simplify right side
    1,060.28x = 705,452.49
  5. Step 5: Solve for x
    x = 705,452.49/1,060.28
  6. Step 6: Final answer
    x = 665.35

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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.