Home / 677.04-1,013.32-513.82

Finding the Fourth Proportional to 677.04, 1,013.32 and 513.82

Calculator

Solution

The fourth proportional to 677.04, 1,013.32 and 513.82 is: 769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    677.04 : 1,013.32 = 513.82 : x
  2. Step 2: Convert to fraction form
    677.04/1,013.32 = 513.82/x
  3. Step 3: Cross multiply
    677.04x = 1,013.32 × 513.82
  4. Step 4: Simplify right side
    677.04x = 520,664.08
  5. Step 5: Solve for x
    x = 520,664.08/677.04
  6. Step 6: Final answer
    x = 769.03

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.