Home / 1,042.91-1,439.30-600.90

Finding the Fourth Proportional to 1,042.91, 1,439.30 and 600.90

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Solution

The fourth proportional to 1,042.91, 1,439.30 and 600.90 is: 829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.91 : 1,439.30 = 600.90 : x
  2. Step 2: Convert to fraction form
    1,042.91/1,439.30 = 600.90/x
  3. Step 3: Cross multiply
    1,042.91x = 1,439.30 × 600.90
  4. Step 4: Simplify right side
    1,042.91x = 864,875.37
  5. Step 5: Solve for x
    x = 864,875.37/1,042.91
  6. Step 6: Final answer
    x = 829.29

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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.