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Finding the Fourth Proportional to 792.57, 1,094.11 and 460.93

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Solution

The fourth proportional to 792.57, 1,094.11 and 460.93 is: 636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.57 : 1,094.11 = 460.93 : x
  2. Step 2: Convert to fraction form
    792.57/1,094.11 = 460.93/x
  3. Step 3: Cross multiply
    792.57x = 1,094.11 × 460.93
  4. Step 4: Simplify right side
    792.57x = 504,308.12
  5. Step 5: Solve for x
    x = 504,308.12/792.57
  6. Step 6: Final answer
    x = 636.29

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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.