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Finding the Fourth Proportional to 794.21, 1,092.29 and 695.79

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Solution

The fourth proportional to 794.21, 1,092.29 and 695.79 is: 956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.21 : 1,092.29 = 695.79 : x
  2. Step 2: Convert to fraction form
    794.21/1,092.29 = 695.79/x
  3. Step 3: Cross multiply
    794.21x = 1,092.29 × 695.79
  4. Step 4: Simplify right side
    794.21x = 760,000.98
  5. Step 5: Solve for x
    x = 760,000.98/794.21
  6. Step 6: Final answer
    x = 956.93

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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.