Home / 490,659.12-677,079-275,796.36

Finding the Fourth Proportional to 490,659.12, 677,079 and 275,796.36

Calculator

Solution

The fourth proportional to 490,659.12, 677,079 and 275,796.36 is: 380,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,659.12 : 677,079 = 275,796.36 : x
  2. Step 2: Convert to fraction form
    490,659.12/677,079 = 275,796.36/x
  3. Step 3: Cross multiply
    490,659.12x = 677,079 × 275,796.36
  4. Step 4: Simplify right side
    490,659.12x = 186,735,923,632.44
  5. Step 5: Solve for x
    x = 186,735,923,632.44/490,659.12
  6. Step 6: Final answer
    x = 380,581.78

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.