Home / 655.17-904.58-406.59

Finding the Fourth Proportional to 655.17, 904.58 and 406.59

Calculator

Solution

The fourth proportional to 655.17, 904.58 and 406.59 is: 561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.17 : 904.58 = 406.59 : x
  2. Step 2: Convert to fraction form
    655.17/904.58 = 406.59/x
  3. Step 3: Cross multiply
    655.17x = 904.58 × 406.59
  4. Step 4: Simplify right side
    655.17x = 367,793.18
  5. Step 5: Solve for x
    x = 367,793.18/655.17
  6. Step 6: Final answer
    x = 561.37

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.