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Finding the Fourth Proportional to 599,653.26, 899,951.92 and 279,640.49

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Solution

The fourth proportional to 599,653.26, 899,951.92 and 279,640.49 is: 419,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,653.26 : 899,951.92 = 279,640.49 : x
  2. Step 2: Convert to fraction form
    599,653.26/899,951.92 = 279,640.49/x
  3. Step 3: Cross multiply
    599,653.26x = 899,951.92 × 279,640.49
  4. Step 4: Simplify right side
    599,653.26x = 251,662,990,686.38
  5. Step 5: Solve for x
    x = 251,662,990,686.38/599,653.26
  6. Step 6: Final answer
    x = 419,680.85

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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.