Home / 412,286.69-568,704.15-272,584.79

Finding the Fourth Proportional to 412,286.69, 568,704.15 and 272,584.79

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Solution

The fourth proportional to 412,286.69, 568,704.15 and 272,584.79 is: 376,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,286.69 : 568,704.15 = 272,584.79 : x
  2. Step 2: Convert to fraction form
    412,286.69/568,704.15 = 272,584.79/x
  3. Step 3: Cross multiply
    412,286.69x = 568,704.15 × 272,584.79
  4. Step 4: Simplify right side
    412,286.69x = 155,020,101,299.88
  5. Step 5: Solve for x
    x = 155,020,101,299.88/412,286.69
  6. Step 6: Final answer
    x = 376,000.74

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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.