Home / 703,903.40-1,055,855.07-324,711.94

Finding the Fourth Proportional to 703,903.40, 1,055,855.07 and 324,711.94

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Solution

The fourth proportional to 703,903.40, 1,055,855.07 and 324,711.94 is: 487,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,903.40 : 1,055,855.07 = 324,711.94 : x
  2. Step 2: Convert to fraction form
    703,903.40/1,055,855.07 = 324,711.94/x
  3. Step 3: Cross multiply
    703,903.40x = 1,055,855.07 × 324,711.94
  4. Step 4: Simplify right side
    703,903.40x = 342,848,746,310.68
  5. Step 5: Solve for x
    x = 342,848,746,310.68/703,903.40
  6. Step 6: Final answer
    x = 487,067.90

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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.