Home / 782,061.14-1,173,535.10-422,227.19

Finding the Fourth Proportional to 782,061.14, 1,173,535.10 and 422,227.19

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Solution

The fourth proportional to 782,061.14, 1,173,535.10 and 422,227.19 is: 633,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,061.14 : 1,173,535.10 = 422,227.19 : x
  2. Step 2: Convert to fraction form
    782,061.14/1,173,535.10 = 422,227.19/x
  3. Step 3: Cross multiply
    782,061.14x = 1,173,535.10 × 422,227.19
  4. Step 4: Simplify right side
    782,061.14x = 495,498,419,660.56
  5. Step 5: Solve for x
    x = 495,498,419,660.56/782,061.14
  6. Step 6: Final answer
    x = 633,580.16

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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.