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Finding the Fourth Proportional to 635,082.26, 876,014.87 and 376,776.33

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Solution

The fourth proportional to 635,082.26, 876,014.87 and 376,776.33 is: 519,714.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,082.26 : 876,014.87 = 376,776.33 : x
  2. Step 2: Convert to fraction form
    635,082.26/876,014.87 = 376,776.33/x
  3. Step 3: Cross multiply
    635,082.26x = 876,014.87 × 376,776.33
  4. Step 4: Simplify right side
    635,082.26x = 330,061,667,744.03
  5. Step 5: Solve for x
    x = 330,061,667,744.03/635,082.26
  6. Step 6: Final answer
    x = 519,714.83

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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.