Home / 809,433.57-1,117,112.82-673,227.21

Finding the Fourth Proportional to 809,433.57, 1,117,112.82 and 673,227.21

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Solution

The fourth proportional to 809,433.57, 1,117,112.82 and 673,227.21 is: 929,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,433.57 : 1,117,112.82 = 673,227.21 : x
  2. Step 2: Convert to fraction form
    809,433.57/1,117,112.82 = 673,227.21/x
  3. Step 3: Cross multiply
    809,433.57x = 1,117,112.82 × 673,227.21
  4. Step 4: Simplify right side
    809,433.57x = 752,070,747,063.83
  5. Step 5: Solve for x
    x = 752,070,747,063.83/809,433.57
  6. Step 6: Final answer
    x = 929,132.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.