Home / 1,042.30-1,438.26-576.52

Finding the Fourth Proportional to 1,042.30, 1,438.26 and 576.52

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Solution

The fourth proportional to 1,042.30, 1,438.26 and 576.52 is: 795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.30 : 1,438.26 = 576.52 : x
  2. Step 2: Convert to fraction form
    1,042.30/1,438.26 = 576.52/x
  3. Step 3: Cross multiply
    1,042.30x = 1,438.26 × 576.52
  4. Step 4: Simplify right side
    1,042.30x = 829,185.66
  5. Step 5: Solve for x
    x = 829,185.66/1,042.30
  6. Step 6: Final answer
    x = 795.53

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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.