Home / 859.56-1,186.26-626.76

Finding the Fourth Proportional to 859.56, 1,186.26 and 626.76

Calculator

Solution

The fourth proportional to 859.56, 1,186.26 and 626.76 is: 864.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    859.56 : 1,186.26 = 626.76 : x
  2. Step 2: Convert to fraction form
    859.56/1,186.26 = 626.76/x
  3. Step 3: Cross multiply
    859.56x = 1,186.26 × 626.76
  4. Step 4: Simplify right side
    859.56x = 743,500.32
  5. Step 5: Solve for x
    x = 743,500.32/859.56
  6. Step 6: Final answer
    x = 864.98

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.