Home / 1,147.25-1,721.22-599.13

Finding the Fourth Proportional to 1,147.25, 1,721.22 and 599.13

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Solution

The fourth proportional to 1,147.25, 1,721.22 and 599.13 is: 898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147.25 : 1,721.22 = 599.13 : x
  2. Step 2: Convert to fraction form
    1,147.25/1,721.22 = 599.13/x
  3. Step 3: Cross multiply
    1,147.25x = 1,721.22 × 599.13
  4. Step 4: Simplify right side
    1,147.25x = 1,031,232.29
  5. Step 5: Solve for x
    x = 1,031,232.29/1,147.25
  6. Step 6: Final answer
    x = 898.87

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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.