Home / 504.55-696.67-393.83

Finding the Fourth Proportional to 504.55, 696.67 and 393.83

Calculator

Solution

The fourth proportional to 504.55, 696.67 and 393.83 is: 543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.55 : 696.67 = 393.83 : x
  2. Step 2: Convert to fraction form
    504.55/696.67 = 393.83/x
  3. Step 3: Cross multiply
    504.55x = 696.67 × 393.83
  4. Step 4: Simplify right side
    504.55x = 274,367.69
  5. Step 5: Solve for x
    x = 274,367.69/504.55
  6. Step 6: Final answer
    x = 543.79

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.