Home / 427,923.68-641,524.25-269,803.58

Finding the Fourth Proportional to 427,923.68, 641,524.25 and 269,803.58

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Solution

The fourth proportional to 427,923.68, 641,524.25 and 269,803.58 is: 404,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,923.68 : 641,524.25 = 269,803.58 : x
  2. Step 2: Convert to fraction form
    427,923.68/641,524.25 = 269,803.58/x
  3. Step 3: Cross multiply
    427,923.68x = 641,524.25 × 269,803.58
  4. Step 4: Simplify right side
    427,923.68x = 173,085,536,773.70
  5. Step 5: Solve for x
    x = 173,085,536,773.70/427,923.68
  6. Step 6: Final answer
    x = 404,477.59

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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.