Home / 868,766.40-1,303,246.80-269,722.80

Finding the Fourth Proportional to 868,766.40, 1,303,246.80 and 269,722.80

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Solution

The fourth proportional to 868,766.40, 1,303,246.80 and 269,722.80 is: 404,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,766.40 : 1,303,246.80 = 269,722.80 : x
  2. Step 2: Convert to fraction form
    868,766.40/1,303,246.80 = 269,722.80/x
  3. Step 3: Cross multiply
    868,766.40x = 1,303,246.80 × 269,722.80
  4. Step 4: Simplify right side
    868,766.40x = 351,515,375,987.04
  5. Step 5: Solve for x
    x = 351,515,375,987.04/868,766.40
  6. Step 6: Final answer
    x = 404,614.38

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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.