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Finding the Fourth Proportional to 793.99, 1,188.99 and 481.47

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Solution

The fourth proportional to 793.99, 1,188.99 and 481.47 is: 721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.99 : 1,188.99 = 481.47 : x
  2. Step 2: Convert to fraction form
    793.99/1,188.99 = 481.47/x
  3. Step 3: Cross multiply
    793.99x = 1,188.99 × 481.47
  4. Step 4: Simplify right side
    793.99x = 572,463.02
  5. Step 5: Solve for x
    x = 572,463.02/793.99
  6. Step 6: Final answer
    x = 721.00

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Double scale
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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.