Home / 494.95-741.71-278.07

Finding the Fourth Proportional to 494.95, 741.71 and 278.07

Calculator

Solution

The fourth proportional to 494.95, 741.71 and 278.07 is: 416.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.95 : 741.71 = 278.07 : x
  2. Step 2: Convert to fraction form
    494.95/741.71 = 278.07/x
  3. Step 3: Cross multiply
    494.95x = 741.71 × 278.07
  4. Step 4: Simplify right side
    494.95x = 206,247.99
  5. Step 5: Solve for x
    x = 206,247.99/494.95
  6. Step 6: Final answer
    x = 416.71

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.