Home / 386,757.86-580,135.01-120,518.55

Finding the Fourth Proportional to 386,757.86, 580,135.01 and 120,518.55

Calculator

Solution

The fourth proportional to 386,757.86, 580,135.01 and 120,518.55 is: 180,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,757.86 : 580,135.01 = 120,518.55 : x
  2. Step 2: Convert to fraction form
    386,757.86/580,135.01 = 120,518.55/x
  3. Step 3: Cross multiply
    386,757.86x = 580,135.01 × 120,518.55
  4. Step 4: Simplify right side
    386,757.86x = 69,917,029,606.84
  5. Step 5: Solve for x
    x = 69,917,029,606.84/386,757.86
  6. Step 6: Final answer
    x = 180,777.27

Related Problems

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.