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Finding the Fourth Proportional to 635,080.71, 876,411.81 and 344,692.28

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Solution

The fourth proportional to 635,080.71, 876,411.81 and 344,692.28 is: 475,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,080.71 : 876,411.81 = 344,692.28 : x
  2. Step 2: Convert to fraction form
    635,080.71/876,411.81 = 344,692.28/x
  3. Step 3: Cross multiply
    635,080.71x = 876,411.81 × 344,692.28
  4. Step 4: Simplify right side
    635,080.71x = 302,092,378,902.31
  5. Step 5: Solve for x
    x = 302,092,378,902.31/635,080.71
  6. Step 6: Final answer
    x = 475,675.57

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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.