Home / 500,027.22-690,039.38-270,584.48

Finding the Fourth Proportional to 500,027.22, 690,039.38 and 270,584.48

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Solution

The fourth proportional to 500,027.22, 690,039.38 and 270,584.48 is: 373,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,027.22 : 690,039.38 = 270,584.48 : x
  2. Step 2: Convert to fraction form
    500,027.22/690,039.38 = 270,584.48/x
  3. Step 3: Cross multiply
    500,027.22x = 690,039.38 × 270,584.48
  4. Step 4: Simplify right side
    500,027.22x = 186,713,947,163.54
  5. Step 5: Solve for x
    x = 186,713,947,163.54/500,027.22
  6. Step 6: Final answer
    x = 373,407.57

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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.