Home / 667,276.25-1,000,942.05-193,961.60

Finding the Fourth Proportional to 667,276.25, 1,000,942.05 and 193,961.60

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Solution

The fourth proportional to 667,276.25, 1,000,942.05 and 193,961.60 is: 290,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,276.25 : 1,000,942.05 = 193,961.60 : x
  2. Step 2: Convert to fraction form
    667,276.25/1,000,942.05 = 193,961.60/x
  3. Step 3: Cross multiply
    667,276.25x = 1,000,942.05 × 193,961.60
  4. Step 4: Simplify right side
    667,276.25x = 194,144,325,540.72
  5. Step 5: Solve for x
    x = 194,144,325,540.72/667,276.25
  6. Step 6: Final answer
    x = 290,950.45

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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.