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Finding the Fourth Proportional to 635,488.88, 876,971.25 and 345,097.94

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Solution

The fourth proportional to 635,488.88, 876,971.25 and 345,097.94 is: 476,233.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,488.88 : 876,971.25 = 345,097.94 : x
  2. Step 2: Convert to fraction form
    635,488.88/876,971.25 = 345,097.94/x
  3. Step 3: Cross multiply
    635,488.88x = 876,971.25 × 345,097.94
  4. Step 4: Simplify right side
    635,488.88x = 302,640,967,429.37
  5. Step 5: Solve for x
    x = 302,640,967,429.37/635,488.88
  6. Step 6: Final answer
    x = 476,233.31

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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.