Home / 866,067.20-1,298,409.60-367,020.80

Finding the Fourth Proportional to 866,067.20, 1,298,409.60 and 367,020.80

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Solution

The fourth proportional to 866,067.20, 1,298,409.60 and 367,020.80 is: 550,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,067.20 : 1,298,409.60 = 367,020.80 : x
  2. Step 2: Convert to fraction form
    866,067.20/1,298,409.60 = 367,020.80/x
  3. Step 3: Cross multiply
    866,067.20x = 1,298,409.60 × 367,020.80
  4. Step 4: Simplify right side
    866,067.20x = 476,543,330,119.68
  5. Step 5: Solve for x
    x = 476,543,330,119.68/866,067.20
  6. Step 6: Final answer
    x = 550,238.28

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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.