Home / 829,942.88-1,244,468.76-261,217.52

Finding the Fourth Proportional to 829,942.88, 1,244,468.76 and 261,217.52

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Solution

The fourth proportional to 829,942.88, 1,244,468.76 and 261,217.52 is: 391,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,942.88 : 1,244,468.76 = 261,217.52 : x
  2. Step 2: Convert to fraction form
    829,942.88/1,244,468.76 = 261,217.52/x
  3. Step 3: Cross multiply
    829,942.88x = 1,244,468.76 × 261,217.52
  4. Step 4: Simplify right side
    829,942.88x = 325,077,043,204.68
  5. Step 5: Solve for x
    x = 325,077,043,204.68/829,942.88
  6. Step 6: Final answer
    x = 391,686.04

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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.