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Finding the Fourth Proportional to 635,371.78, 876,814.11 and 348,910.01

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Solution

The fourth proportional to 635,371.78, 876,814.11 and 348,910.01 is: 481,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,371.78 : 876,814.11 = 348,910.01 : x
  2. Step 2: Convert to fraction form
    635,371.78/876,814.11 = 348,910.01/x
  3. Step 3: Cross multiply
    635,371.78x = 876,814.11 × 348,910.01
  4. Step 4: Simplify right side
    635,371.78x = 305,929,222,080.28
  5. Step 5: Solve for x
    x = 305,929,222,080.28/635,371.78
  6. Step 6: Final answer
    x = 481,496.40

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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.