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Finding the Fourth Proportional to 635,227.60, 952,063.80 and 279,864.40

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Solution

The fourth proportional to 635,227.60, 952,063.80 and 279,864.40 is: 419,454.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,227.60 : 952,063.80 = 279,864.40 : x
  2. Step 2: Convert to fraction form
    635,227.60/952,063.80 = 279,864.40/x
  3. Step 3: Cross multiply
    635,227.60x = 952,063.80 × 279,864.40
  4. Step 4: Simplify right side
    635,227.60x = 266,448,764,148.72
  5. Step 5: Solve for x
    x = 266,448,764,148.72/635,227.60
  6. Step 6: Final answer
    x = 419,454.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.