Home / 806,634.15-1,206,911.12-481,218.81

Finding the Fourth Proportional to 806,634.15, 1,206,911.12 and 481,218.81

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Solution

The fourth proportional to 806,634.15, 1,206,911.12 and 481,218.81 is: 720,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,634.15 : 1,206,911.12 = 481,218.81 : x
  2. Step 2: Convert to fraction form
    806,634.15/1,206,911.12 = 481,218.81/x
  3. Step 3: Cross multiply
    806,634.15x = 1,206,911.12 × 481,218.81
  4. Step 4: Simplify right side
    806,634.15x = 580,788,330,536.07
  5. Step 5: Solve for x
    x = 580,788,330,536.07/806,634.15
  6. Step 6: Final answer
    x = 720,014.56

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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.