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Finding the Fourth Proportional to 793.23, 1,093.95 and 704.76

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Solution

The fourth proportional to 793.23, 1,093.95 and 704.76 is: 971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.23 : 1,093.95 = 704.76 : x
  2. Step 2: Convert to fraction form
    793.23/1,093.95 = 704.76/x
  3. Step 3: Cross multiply
    793.23x = 1,093.95 × 704.76
  4. Step 4: Simplify right side
    793.23x = 770,972.20
  5. Step 5: Solve for x
    x = 770,972.20/793.23
  6. Step 6: Final answer
    x = 971.94

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Half scale
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Double scale
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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.