Home / 850.40-1,274.34-503.82

Finding the Fourth Proportional to 850.40, 1,274.34 and 503.82

Calculator

Solution

The fourth proportional to 850.40, 1,274.34 and 503.82 is: 754.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.40 : 1,274.34 = 503.82 : x
  2. Step 2: Convert to fraction form
    850.40/1,274.34 = 503.82/x
  3. Step 3: Cross multiply
    850.40x = 1,274.34 × 503.82
  4. Step 4: Simplify right side
    850.40x = 642,037.98
  5. Step 5: Solve for x
    x = 642,037.98/850.40
  6. Step 6: Final answer
    x = 754.98

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.