Home / 739.60-1,014.17-712.60

Finding the Fourth Proportional to 739.60, 1,014.17 and 712.60

Calculator

Solution

The fourth proportional to 739.60, 1,014.17 and 712.60 is: 977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    739.60 : 1,014.17 = 712.60 : x
  2. Step 2: Convert to fraction form
    739.60/1,014.17 = 712.60/x
  3. Step 3: Cross multiply
    739.60x = 1,014.17 × 712.60
  4. Step 4: Simplify right side
    739.60x = 722,697.54
  5. Step 5: Solve for x
    x = 722,697.54/739.60
  6. Step 6: Final answer
    x = 977.15

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.