Home / 836,065.98-1,253,951.28-330,458.88

Finding the Fourth Proportional to 836,065.98, 1,253,951.28 and 330,458.88

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Solution

The fourth proportional to 836,065.98, 1,253,951.28 and 330,458.88 is: 495,629.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,065.98 : 1,253,951.28 = 330,458.88 : x
  2. Step 2: Convert to fraction form
    836,065.98/1,253,951.28 = 330,458.88/x
  3. Step 3: Cross multiply
    836,065.98x = 1,253,951.28 × 330,458.88
  4. Step 4: Simplify right side
    836,065.98x = 414,379,335,563.37
  5. Step 5: Solve for x
    x = 414,379,335,563.37/836,065.98
  6. Step 6: Final answer
    x = 495,629.94

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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.