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Finding the Fourth Proportional to 635,440.92, 876,910.92 and 345,052.95

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Solution

The fourth proportional to 635,440.92, 876,910.92 and 345,052.95 is: 476,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,440.92 : 876,910.92 = 345,052.95 : x
  2. Step 2: Convert to fraction form
    635,440.92/876,910.92 = 345,052.95/x
  3. Step 3: Cross multiply
    635,440.92x = 876,910.92 × 345,052.95
  4. Step 4: Simplify right side
    635,440.92x = 302,580,699,833.21
  5. Step 5: Solve for x
    x = 302,580,699,833.21/635,440.92
  6. Step 6: Final answer
    x = 476,174.40

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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.