Home / 667,584.80-1,001,474.40-218,196.80

Finding the Fourth Proportional to 667,584.80, 1,001,474.40 and 218,196.80

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Solution

The fourth proportional to 667,584.80, 1,001,474.40 and 218,196.80 is: 327,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,584.80 : 1,001,474.40 = 218,196.80 : x
  2. Step 2: Convert to fraction form
    667,584.80/1,001,474.40 = 218,196.80/x
  3. Step 3: Cross multiply
    667,584.80x = 1,001,474.40 × 218,196.80
  4. Step 4: Simplify right side
    667,584.80x = 218,518,509,361.92
  5. Step 5: Solve for x
    x = 218,518,509,361.92/667,584.80
  6. Step 6: Final answer
    x = 327,326.97

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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.