Home / 753.48-1,039.32-698.76

Finding the Fourth Proportional to 753.48, 1,039.32 and 698.76

Calculator

Solution

The fourth proportional to 753.48, 1,039.32 and 698.76 is: 963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    753.48 : 1,039.32 = 698.76 : x
  2. Step 2: Convert to fraction form
    753.48/1,039.32 = 698.76/x
  3. Step 3: Cross multiply
    753.48x = 1,039.32 × 698.76
  4. Step 4: Simplify right side
    753.48x = 726,235.24
  5. Step 5: Solve for x
    x = 726,235.24/753.48
  6. Step 6: Final answer
    x = 963.84

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.