Home / 490,604.85-676,629.55-345,892.88

Finding the Fourth Proportional to 490,604.85, 676,629.55 and 345,892.88

Calculator

Solution

The fourth proportional to 490,604.85, 676,629.55 and 345,892.88 is: 477,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,604.85 : 676,629.55 = 345,892.88 : x
  2. Step 2: Convert to fraction form
    490,604.85/676,629.55 = 345,892.88/x
  3. Step 3: Cross multiply
    490,604.85x = 676,629.55 × 345,892.88
  4. Step 4: Simplify right side
    490,604.85x = 234,041,345,866.54
  5. Step 5: Solve for x
    x = 234,041,345,866.54/490,604.85
  6. Step 6: Final answer
    x = 477,046.54

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.