Home / 1,042.60-1,438.70-600.44

Finding the Fourth Proportional to 1,042.60, 1,438.70 and 600.44

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Solution

The fourth proportional to 1,042.60, 1,438.70 and 600.44 is: 828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.60 : 1,438.70 = 600.44 : x
  2. Step 2: Convert to fraction form
    1,042.60/1,438.70 = 600.44/x
  3. Step 3: Cross multiply
    1,042.60x = 1,438.70 × 600.44
  4. Step 4: Simplify right side
    1,042.60x = 863,853.03
  5. Step 5: Solve for x
    x = 863,853.03/1,042.60
  6. Step 6: Final answer
    x = 828.56

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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.