Home / 806,638.16-1,206,917.10-481,222.82

Finding the Fourth Proportional to 806,638.16, 1,206,917.10 and 481,222.82

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Solution

The fourth proportional to 806,638.16, 1,206,917.10 and 481,222.82 is: 720,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,638.16 : 1,206,917.10 = 481,222.82 : x
  2. Step 2: Convert to fraction form
    806,638.16/1,206,917.10 = 481,222.82/x
  3. Step 3: Cross multiply
    806,638.16x = 1,206,917.10 × 481,222.82
  4. Step 4: Simplify right side
    806,638.16x = 580,796,050,368.22
  5. Step 5: Solve for x
    x = 580,796,050,368.22/806,638.16
  6. Step 6: Final answer
    x = 720,020.55

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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.