Home / 654.14-902.75-405.59

Finding the Fourth Proportional to 654.14, 902.75 and 405.59

Calculator

Solution

The fourth proportional to 654.14, 902.75 and 405.59 is: 559.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.14 : 902.75 = 405.59 : x
  2. Step 2: Convert to fraction form
    654.14/902.75 = 405.59/x
  3. Step 3: Cross multiply
    654.14x = 902.75 × 405.59
  4. Step 4: Simplify right side
    654.14x = 366,144.34
  5. Step 5: Solve for x
    x = 366,144.34/654.14
  6. Step 6: Final answer
    x = 559.73

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.