Home / 500,067.25-690,087.53-270,619.57

Finding the Fourth Proportional to 500,067.25, 690,087.53 and 270,619.57

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Solution

The fourth proportional to 500,067.25, 690,087.53 and 270,619.57 is: 373,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,067.25 : 690,087.53 = 270,619.57 : x
  2. Step 2: Convert to fraction form
    500,067.25/690,087.53 = 270,619.57/x
  3. Step 3: Cross multiply
    500,067.25x = 690,087.53 × 270,619.57
  4. Step 4: Simplify right side
    500,067.25x = 186,751,189,277.86
  5. Step 5: Solve for x
    x = 186,751,189,277.86/500,067.25
  6. Step 6: Final answer
    x = 373,452.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.