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Finding the Fourth Proportional to 635,078.13, 876,377.86 and 344,683.14

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Solution

The fourth proportional to 635,078.13, 876,377.86 and 344,683.14 is: 475,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,078.13 : 876,377.86 = 344,683.14 : x
  2. Step 2: Convert to fraction form
    635,078.13/876,377.86 = 344,683.14/x
  3. Step 3: Cross multiply
    635,078.13x = 876,377.86 × 344,683.14
  4. Step 4: Simplify right side
    635,078.13x = 302,072,672,611.28
  5. Step 5: Solve for x
    x = 302,072,672,611.28/635,078.13
  6. Step 6: Final answer
    x = 475,646.47

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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.