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Finding the Fourth Proportional to 635,257.69, 876,657.33 and 348,796.33

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Solution

The fourth proportional to 635,257.69, 876,657.33 and 348,796.33 is: 481,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,257.69 : 876,657.33 = 348,796.33 : x
  2. Step 2: Convert to fraction form
    635,257.69/876,657.33 = 348,796.33/x
  3. Step 3: Cross multiply
    635,257.69x = 876,657.33 × 348,796.33
  4. Step 4: Simplify right side
    635,257.69x = 305,774,854,988.31
  5. Step 5: Solve for x
    x = 305,774,854,988.31/635,257.69
  6. Step 6: Final answer
    x = 481,339.88

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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.