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Finding the Fourth Proportional to 635,119.80, 876,475.26 and 348,666

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Solution

The fourth proportional to 635,119.80, 876,475.26 and 348,666 is: 481,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,119.80 : 876,475.26 = 348,666 : x
  2. Step 2: Convert to fraction form
    635,119.80/876,475.26 = 348,666/x
  3. Step 3: Cross multiply
    635,119.80x = 876,475.26 × 348,666
  4. Step 4: Simplify right side
    635,119.80x = 305,597,123,003.16
  5. Step 5: Solve for x
    x = 305,597,123,003.16/635,119.80
  6. Step 6: Final answer
    x = 481,164.53

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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.