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Finding the Fourth Proportional to 773.24, 1,067.46 and 504.18

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Solution

The fourth proportional to 773.24, 1,067.46 and 504.18 is: 696.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.24 : 1,067.46 = 504.18 : x
  2. Step 2: Convert to fraction form
    773.24/1,067.46 = 504.18/x
  3. Step 3: Cross multiply
    773.24x = 1,067.46 × 504.18
  4. Step 4: Simplify right side
    773.24x = 538,191.98
  5. Step 5: Solve for x
    x = 538,191.98/773.24
  6. Step 6: Final answer
    x = 696.02

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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.