Home / 961,268.68-1,441,887.18-287,351.56

Finding the Fourth Proportional to 961,268.68, 1,441,887.18 and 287,351.56

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Solution

The fourth proportional to 961,268.68, 1,441,887.18 and 287,351.56 is: 431,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,268.68 : 1,441,887.18 = 287,351.56 : x
  2. Step 2: Convert to fraction form
    961,268.68/1,441,887.18 = 287,351.56/x
  3. Step 3: Cross multiply
    961,268.68x = 1,441,887.18 × 287,351.56
  4. Step 4: Simplify right side
    961,268.68x = 414,328,530,517.00
  5. Step 5: Solve for x
    x = 414,328,530,517.00/961,268.68
  6. Step 6: Final answer
    x = 431,022.60

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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.