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Finding the Fourth Proportional to 635,260.32, 876,687.84 and 380,606.04

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Solution

The fourth proportional to 635,260.32, 876,687.84 and 380,606.04 is: 525,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,260.32 : 876,687.84 = 380,606.04 : x
  2. Step 2: Convert to fraction form
    635,260.32/876,687.84 = 380,606.04/x
  3. Step 3: Cross multiply
    635,260.32x = 876,687.84 × 380,606.04
  4. Step 4: Simplify right side
    635,260.32x = 333,672,687,098.55
  5. Step 5: Solve for x
    x = 333,672,687,098.55/635,260.32
  6. Step 6: Final answer
    x = 525,253.47

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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.