Home / 806.15-1,112.73-526.43

Finding the Fourth Proportional to 806.15, 1,112.73 and 526.43

Calculator

Solution

The fourth proportional to 806.15, 1,112.73 and 526.43 is: 726.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    806.15 : 1,112.73 = 526.43 : x
  2. Step 2: Convert to fraction form
    806.15/1,112.73 = 526.43/x
  3. Step 3: Cross multiply
    806.15x = 1,112.73 × 526.43
  4. Step 4: Simplify right side
    806.15x = 585,772.13
  5. Step 5: Solve for x
    x = 585,772.13/806.15
  6. Step 6: Final answer
    x = 726.63

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.