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Finding the Fourth Proportional to 793.25, 1,094.13 and 674.41

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Solution

The fourth proportional to 793.25, 1,094.13 and 674.41 is: 930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.25 : 1,094.13 = 674.41 : x
  2. Step 2: Convert to fraction form
    793.25/1,094.13 = 674.41/x
  3. Step 3: Cross multiply
    793.25x = 1,094.13 × 674.41
  4. Step 4: Simplify right side
    793.25x = 737,892.21
  5. Step 5: Solve for x
    x = 737,892.21/793.25
  6. Step 6: Final answer
    x = 930.21

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1.5x scale

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.