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Finding the Fourth Proportional to 635,164, 952,994.40 and 279,928.24

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Solution

The fourth proportional to 635,164, 952,994.40 and 279,928.24 is: 420,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,164 : 952,994.40 = 279,928.24 : x
  2. Step 2: Convert to fraction form
    635,164/952,994.40 = 279,928.24/x
  3. Step 3: Cross multiply
    635,164x = 952,994.40 × 279,928.24
  4. Step 4: Simplify right side
    635,164x = 266,770,045,121.86
  5. Step 5: Solve for x
    x = 266,770,045,121.86/635,164
  6. Step 6: Final answer
    x = 420,001.83

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1.5x scale

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.