Home / 809,370.45-1,213,770.67-269,480.12

Finding the Fourth Proportional to 809,370.45, 1,213,770.67 and 269,480.12

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Solution

The fourth proportional to 809,370.45, 1,213,770.67 and 269,480.12 is: 404,125.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,370.45 : 1,213,770.67 = 269,480.12 : x
  2. Step 2: Convert to fraction form
    809,370.45/1,213,770.67 = 269,480.12/x
  3. Step 3: Cross multiply
    809,370.45x = 1,213,770.67 × 269,480.12
  4. Step 4: Simplify right side
    809,370.45x = 327,087,060,577.35
  5. Step 5: Solve for x
    x = 327,087,060,577.35/809,370.45
  6. Step 6: Final answer
    x = 404,125.28

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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.