Home / 667,294.12-1,001,096.70-218,035.72

Finding the Fourth Proportional to 667,294.12, 1,001,096.70 and 218,035.72

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Solution

The fourth proportional to 667,294.12, 1,001,096.70 and 218,035.72 is: 327,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,294.12 : 1,001,096.70 = 218,035.72 : x
  2. Step 2: Convert to fraction form
    667,294.12/1,001,096.70 = 218,035.72/x
  3. Step 3: Cross multiply
    667,294.12x = 1,001,096.70 × 218,035.72
  4. Step 4: Simplify right side
    667,294.12x = 218,274,839,774.12
  5. Step 5: Solve for x
    x = 218,274,839,774.12/667,294.12
  6. Step 6: Final answer
    x = 327,104.40

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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.