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Finding the Fourth Proportional to 793.89, 1,095.85 and 462.42

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Solution

The fourth proportional to 793.89, 1,095.85 and 462.42 is: 638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.89 : 1,095.85 = 462.42 : x
  2. Step 2: Convert to fraction form
    793.89/1,095.85 = 462.42/x
  3. Step 3: Cross multiply
    793.89x = 1,095.85 × 462.42
  4. Step 4: Simplify right side
    793.89x = 506,742.96
  5. Step 5: Solve for x
    x = 506,742.96/793.89
  6. Step 6: Final answer
    x = 638.30

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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.