Home / 1,340.99-2,011.30-416.57

Finding the Fourth Proportional to 1,340.99, 2,011.30 and 416.57

Calculator

Solution

The fourth proportional to 1,340.99, 2,011.30 and 416.57 is: 624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.99 : 2,011.30 = 416.57 : x
  2. Step 2: Convert to fraction form
    1,340.99/2,011.30 = 416.57/x
  3. Step 3: Cross multiply
    1,340.99x = 2,011.30 × 416.57
  4. Step 4: Simplify right side
    1,340.99x = 837,847.24
  5. Step 5: Solve for x
    x = 837,847.24/1,340.99
  6. Step 6: Final answer
    x = 624.80

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.