Home / 1,031.29-1,423.26-589.33

Finding the Fourth Proportional to 1,031.29, 1,423.26 and 589.33

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Solution

The fourth proportional to 1,031.29, 1,423.26 and 589.33 is: 813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.29 : 1,423.26 = 589.33 : x
  2. Step 2: Convert to fraction form
    1,031.29/1,423.26 = 589.33/x
  3. Step 3: Cross multiply
    1,031.29x = 1,423.26 × 589.33
  4. Step 4: Simplify right side
    1,031.29x = 838,769.82
  5. Step 5: Solve for x
    x = 838,769.82/1,031.29
  6. Step 6: Final answer
    x = 813.32

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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.