Home / 677.28-934.62-382.55

Finding the Fourth Proportional to 677.28, 934.62 and 382.55

Calculator

Solution

The fourth proportional to 677.28, 934.62 and 382.55 is: 527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    677.28 : 934.62 = 382.55 : x
  2. Step 2: Convert to fraction form
    677.28/934.62 = 382.55/x
  3. Step 3: Cross multiply
    677.28x = 934.62 × 382.55
  4. Step 4: Simplify right side
    677.28x = 357,534.21
  5. Step 5: Solve for x
    x = 357,534.21/677.28
  6. Step 6: Final answer
    x = 527.90

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.