Home / 809,371.29-1,213,771.92-269,480.98

Finding the Fourth Proportional to 809,371.29, 1,213,771.92 and 269,480.98

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Solution

The fourth proportional to 809,371.29, 1,213,771.92 and 269,480.98 is: 404,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,371.29 : 1,213,771.92 = 269,480.98 : x
  2. Step 2: Convert to fraction form
    809,371.29/1,213,771.92 = 269,480.98/x
  3. Step 3: Cross multiply
    809,371.29x = 1,213,771.92 × 269,480.98
  4. Step 4: Simplify right side
    809,371.29x = 327,088,446,498.08
  5. Step 5: Solve for x
    x = 327,088,446,498.08/809,371.29
  6. Step 6: Final answer
    x = 404,126.58

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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.