Home / 806,640.40-1,206,920.49-481,225.06

Finding the Fourth Proportional to 806,640.40, 1,206,920.49 and 481,225.06

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Solution

The fourth proportional to 806,640.40, 1,206,920.49 and 481,225.06 is: 720,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,640.40 : 1,206,920.49 = 481,225.06 : x
  2. Step 2: Convert to fraction form
    806,640.40/1,206,920.49 = 481,225.06/x
  3. Step 3: Cross multiply
    806,640.40x = 1,206,920.49 × 481,225.06
  4. Step 4: Simplify right side
    806,640.40x = 580,800,385,215.48
  5. Step 5: Solve for x
    x = 580,800,385,215.48/806,640.40
  6. Step 6: Final answer
    x = 720,023.92

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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.