Home / 685,229.19-1,027,912.26-235,890.60

Finding the Fourth Proportional to 685,229.19, 1,027,912.26 and 235,890.60

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Solution

The fourth proportional to 685,229.19, 1,027,912.26 and 235,890.60 is: 353,859.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,229.19 : 1,027,912.26 = 235,890.60 : x
  2. Step 2: Convert to fraction form
    685,229.19/1,027,912.26 = 235,890.60/x
  3. Step 3: Cross multiply
    685,229.19x = 1,027,912.26 × 235,890.60
  4. Step 4: Simplify right side
    685,229.19x = 242,474,839,758.76
  5. Step 5: Solve for x
    x = 242,474,839,758.76/685,229.19
  6. Step 6: Final answer
    x = 353,859.47

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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.