Home / 1,042.57-1,438.60-600.49

Finding the Fourth Proportional to 1,042.57, 1,438.60 and 600.49

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Solution

The fourth proportional to 1,042.57, 1,438.60 and 600.49 is: 828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.57 : 1,438.60 = 600.49 : x
  2. Step 2: Convert to fraction form
    1,042.57/1,438.60 = 600.49/x
  3. Step 3: Cross multiply
    1,042.57x = 1,438.60 × 600.49
  4. Step 4: Simplify right side
    1,042.57x = 863,854.72
  5. Step 5: Solve for x
    x = 863,854.72/1,042.57
  6. Step 6: Final answer
    x = 828.59

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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.