Home / 801,689.94-1,202,492.79-269,221.86

Finding the Fourth Proportional to 801,689.94, 1,202,492.79 and 269,221.86

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Solution

The fourth proportional to 801,689.94, 1,202,492.79 and 269,221.86 is: 403,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,689.94 : 1,202,492.79 = 269,221.86 : x
  2. Step 2: Convert to fraction form
    801,689.94/1,202,492.79 = 269,221.86/x
  3. Step 3: Cross multiply
    801,689.94x = 1,202,492.79 × 269,221.86
  4. Step 4: Simplify right side
    801,689.94x = 323,737,345,560.39
  5. Step 5: Solve for x
    x = 323,737,345,560.39/801,689.94
  6. Step 6: Final answer
    x = 403,818.65

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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.