Home / 756,344.20-1,134,516.30-335,662.60

Finding the Fourth Proportional to 756,344.20, 1,134,516.30 and 335,662.60

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Solution

The fourth proportional to 756,344.20, 1,134,516.30 and 335,662.60 is: 503,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,344.20 : 1,134,516.30 = 335,662.60 : x
  2. Step 2: Convert to fraction form
    756,344.20/1,134,516.30 = 335,662.60/x
  3. Step 3: Cross multiply
    756,344.20x = 1,134,516.30 × 335,662.60
  4. Step 4: Simplify right side
    756,344.20x = 380,814,691,000.38
  5. Step 5: Solve for x
    x = 380,814,691,000.38/756,344.20
  6. Step 6: Final answer
    x = 503,493.90

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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.