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Finding the Fourth Proportional to 879.06, 1,324.44 and 795.72

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Solution

The fourth proportional to 879.06, 1,324.44 and 795.72 is: 1,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    879.06 : 1,324.44 = 795.72 : x
  2. Step 2: Convert to fraction form
    879.06/1,324.44 = 795.72/x
  3. Step 3: Cross multiply
    879.06x = 1,324.44 × 795.72
  4. Step 4: Simplify right side
    879.06x = 1,053,883.40
  5. Step 5: Solve for x
    x = 1,053,883.40/879.06
  6. Step 6: Final answer
    x = 1,198.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.