Home / 667,986.84-1,001,766.42-218,585.88

Finding the Fourth Proportional to 667,986.84, 1,001,766.42 and 218,585.88

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Solution

The fourth proportional to 667,986.84, 1,001,766.42 and 218,585.88 is: 327,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,986.84 : 1,001,766.42 = 218,585.88 : x
  2. Step 2: Convert to fraction form
    667,986.84/1,001,766.42 = 218,585.88/x
  3. Step 3: Cross multiply
    667,986.84x = 1,001,766.42 × 218,585.88
  4. Step 4: Simplify right side
    667,986.84x = 218,971,994,470.15
  5. Step 5: Solve for x
    x = 218,971,994,470.15/667,986.84
  6. Step 6: Final answer
    x = 327,808.84

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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.