Home / 806,639.16-1,206,918.60-481,223.82

Finding the Fourth Proportional to 806,639.16, 1,206,918.60 and 481,223.82

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Solution

The fourth proportional to 806,639.16, 1,206,918.60 and 481,223.82 is: 720,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,639.16 : 1,206,918.60 = 481,223.82 : x
  2. Step 2: Convert to fraction form
    806,639.16/1,206,918.60 = 481,223.82/x
  3. Step 3: Cross multiply
    806,639.16x = 1,206,918.60 × 481,223.82
  4. Step 4: Simplify right side
    806,639.16x = 580,797,979,121.05
  5. Step 5: Solve for x
    x = 580,797,979,121.05/806,639.16
  6. Step 6: Final answer
    x = 720,022.05

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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.