Home / 802,109.70-1,203,120.27-269,575.74

Finding the Fourth Proportional to 802,109.70, 1,203,120.27 and 269,575.74

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Solution

The fourth proportional to 802,109.70, 1,203,120.27 and 269,575.74 is: 404,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,109.70 : 1,203,120.27 = 269,575.74 : x
  2. Step 2: Convert to fraction form
    802,109.70/1,203,120.27 = 269,575.74/x
  3. Step 3: Cross multiply
    802,109.70x = 1,203,120.27 × 269,575.74
  4. Step 4: Simplify right side
    802,109.70x = 324,332,037,094.25
  5. Step 5: Solve for x
    x = 324,332,037,094.25/802,109.70
  6. Step 6: Final answer
    x = 404,348.73

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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.