Home / 1,031.43-1,423.32-589.28

Finding the Fourth Proportional to 1,031.43, 1,423.32 and 589.28

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Solution

The fourth proportional to 1,031.43, 1,423.32 and 589.28 is: 813.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.43 : 1,423.32 = 589.28 : x
  2. Step 2: Convert to fraction form
    1,031.43/1,423.32 = 589.28/x
  3. Step 3: Cross multiply
    1,031.43x = 1,423.32 × 589.28
  4. Step 4: Simplify right side
    1,031.43x = 838,728.00
  5. Step 5: Solve for x
    x = 838,728.00/1,031.43
  6. Step 6: Final answer
    x = 813.17

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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.