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Finding the Fourth Proportional to 826.74, 1,241.82 and 799.06

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Solution

The fourth proportional to 826.74, 1,241.82 and 799.06 is: 1,200.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    826.74 : 1,241.82 = 799.06 : x
  2. Step 2: Convert to fraction form
    826.74/1,241.82 = 799.06/x
  3. Step 3: Cross multiply
    826.74x = 1,241.82 × 799.06
  4. Step 4: Simplify right side
    826.74x = 992,288.69
  5. Step 5: Solve for x
    x = 992,288.69/826.74
  6. Step 6: Final answer
    x = 1,200.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.