Home / 727.43-1,004.47-674.67

Finding the Fourth Proportional to 727.43, 1,004.47 and 674.67

Calculator

Solution

The fourth proportional to 727.43, 1,004.47 and 674.67 is: 931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    727.43 : 1,004.47 = 674.67 : x
  2. Step 2: Convert to fraction form
    727.43/1,004.47 = 674.67/x
  3. Step 3: Cross multiply
    727.43x = 1,004.47 × 674.67
  4. Step 4: Simplify right side
    727.43x = 677,684.71
  5. Step 5: Solve for x
    x = 677,684.71/727.43
  6. Step 6: Final answer
    x = 931.61

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.