Home / 1,031.11-1,423.17-589.27

Finding the Fourth Proportional to 1,031.11, 1,423.17 and 589.27

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Solution

The fourth proportional to 1,031.11, 1,423.17 and 589.27 is: 813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.11 : 1,423.17 = 589.27 : x
  2. Step 2: Convert to fraction form
    1,031.11/1,423.17 = 589.27/x
  3. Step 3: Cross multiply
    1,031.11x = 1,423.17 × 589.27
  4. Step 4: Simplify right side
    1,031.11x = 838,626.48
  5. Step 5: Solve for x
    x = 838,626.48/1,031.11
  6. Step 6: Final answer
    x = 813.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.