Home / 314,934.30-472,401.45-311,981.85

Finding the Fourth Proportional to 314,934.30, 472,401.45 and 311,981.85

Calculator

Solution

The fourth proportional to 314,934.30, 472,401.45 and 311,981.85 is: 467,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,934.30 : 472,401.45 = 311,981.85 : x
  2. Step 2: Convert to fraction form
    314,934.30/472,401.45 = 311,981.85/x
  3. Step 3: Cross multiply
    314,934.30x = 472,401.45 × 311,981.85
  4. Step 4: Simplify right side
    314,934.30x = 147,380,678,313.68
  5. Step 5: Solve for x
    x = 147,380,678,313.68/314,934.30
  6. Step 6: Final answer
    x = 467,972.78

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.