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Finding the Fourth Proportional to 635,464.81, 876,959.36 and 349,003.34

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Solution

The fourth proportional to 635,464.81, 876,959.36 and 349,003.34 is: 481,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,464.81 : 876,959.36 = 349,003.34 : x
  2. Step 2: Convert to fraction form
    635,464.81/876,959.36 = 349,003.34/x
  3. Step 3: Cross multiply
    635,464.81x = 876,959.36 × 349,003.34
  4. Step 4: Simplify right side
    635,464.81x = 306,061,745,684.26
  5. Step 5: Solve for x
    x = 306,061,745,684.26/635,464.81
  6. Step 6: Final answer
    x = 481,634.45

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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.