Home / 378,584.94-522,447.66-217,471.20

Finding the Fourth Proportional to 378,584.94, 522,447.66 and 217,471.20

Calculator

Solution

The fourth proportional to 378,584.94, 522,447.66 and 217,471.20 is: 300,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,584.94 : 522,447.66 = 217,471.20 : x
  2. Step 2: Convert to fraction form
    378,584.94/522,447.66 = 217,471.20/x
  3. Step 3: Cross multiply
    378,584.94x = 522,447.66 × 217,471.20
  4. Step 4: Simplify right side
    378,584.94x = 113,617,319,557.39
  5. Step 5: Solve for x
    x = 113,617,319,557.39/378,584.94
  6. Step 6: Final answer
    x = 300,110.51

Related Problems

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.