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Finding the Fourth Proportional to 902.52, 1,245.36 and 504.14

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Solution

The fourth proportional to 902.52, 1,245.36 and 504.14 is: 695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    902.52 : 1,245.36 = 504.14 : x
  2. Step 2: Convert to fraction form
    902.52/1,245.36 = 504.14/x
  3. Step 3: Cross multiply
    902.52x = 1,245.36 × 504.14
  4. Step 4: Simplify right side
    902.52x = 627,835.79
  5. Step 5: Solve for x
    x = 627,835.79/902.52
  6. Step 6: Final answer
    x = 695.65

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Double scale
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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.