Home / 1,338,764.40-2,008,133.80-327,890.80

Finding the Fourth Proportional to 1,338,764.40, 2,008,133.80 and 327,890.80

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Solution

The fourth proportional to 1,338,764.40, 2,008,133.80 and 327,890.80 is: 491,833.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,764.40 : 2,008,133.80 = 327,890.80 : x
  2. Step 2: Convert to fraction form
    1,338,764.40/2,008,133.80 = 327,890.80/x
  3. Step 3: Cross multiply
    1,338,764.40x = 2,008,133.80 × 327,890.80
  4. Step 4: Simplify right side
    1,338,764.40x = 658,448,598,189.04
  5. Step 5: Solve for x
    x = 658,448,598,189.04/1,338,764.40
  6. Step 6: Final answer
    x = 491,833.07

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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.