Home / 844,751.38-1,267,131.31-213,665.80

Finding the Fourth Proportional to 844,751.38, 1,267,131.31 and 213,665.80

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Solution

The fourth proportional to 844,751.38, 1,267,131.31 and 213,665.80 is: 320,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,751.38 : 1,267,131.31 = 213,665.80 : x
  2. Step 2: Convert to fraction form
    844,751.38/1,267,131.31 = 213,665.80/x
  3. Step 3: Cross multiply
    844,751.38x = 1,267,131.31 × 213,665.80
  4. Step 4: Simplify right side
    844,751.38x = 270,742,618,720.54
  5. Step 5: Solve for x
    x = 270,742,618,720.54/844,751.38
  6. Step 6: Final answer
    x = 320,499.77

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1.5x scale

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.