Home / 445,630.20-667,538.10-276,631.80

Finding the Fourth Proportional to 445,630.20, 667,538.10 and 276,631.80

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Solution

The fourth proportional to 445,630.20, 667,538.10 and 276,631.80 is: 414,384.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,630.20 : 667,538.10 = 276,631.80 : x
  2. Step 2: Convert to fraction form
    445,630.20/667,538.10 = 276,631.80/x
  3. Step 3: Cross multiply
    445,630.20x = 667,538.10 × 276,631.80
  4. Step 4: Simplify right side
    445,630.20x = 184,662,266,171.58
  5. Step 5: Solve for x
    x = 184,662,266,171.58/445,630.20
  6. Step 6: Final answer
    x = 414,384.54

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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.