Home / 705,077.87-1,059,049.28-622,704.51

Finding the Fourth Proportional to 705,077.87, 1,059,049.28 and 622,704.51

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Solution

The fourth proportional to 705,077.87, 1,059,049.28 and 622,704.51 is: 935,321.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,077.87 : 1,059,049.28 = 622,704.51 : x
  2. Step 2: Convert to fraction form
    705,077.87/1,059,049.28 = 622,704.51/x
  3. Step 3: Cross multiply
    705,077.87x = 1,059,049.28 × 622,704.51
  4. Step 4: Simplify right side
    705,077.87x = 659,474,764,525.01
  5. Step 5: Solve for x
    x = 659,474,764,525.01/705,077.87
  6. Step 6: Final answer
    x = 935,321.89

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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.