Home / 797.66-1,099.28-783.48

Finding the Fourth Proportional to 797.66, 1,099.28 and 783.48

Calculator

Solution

The fourth proportional to 797.66, 1,099.28 and 783.48 is: 1,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.66 : 1,099.28 = 783.48 : x
  2. Step 2: Convert to fraction form
    797.66/1,099.28 = 783.48/x
  3. Step 3: Cross multiply
    797.66x = 1,099.28 × 783.48
  4. Step 4: Simplify right side
    797.66x = 861,263.89
  5. Step 5: Solve for x
    x = 861,263.89/797.66
  6. Step 6: Final answer
    x = 1,079.74

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.