Home / 1,086.99-1,630.94-470.38

Finding the Fourth Proportional to 1,086.99, 1,630.94 and 470.38

Calculator

Solution

The fourth proportional to 1,086.99, 1,630.94 and 470.38 is: 705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086.99 : 1,630.94 = 470.38 : x
  2. Step 2: Convert to fraction form
    1,086.99/1,630.94 = 470.38/x
  3. Step 3: Cross multiply
    1,086.99x = 1,630.94 × 470.38
  4. Step 4: Simplify right side
    1,086.99x = 767,161.56
  5. Step 5: Solve for x
    x = 767,161.56/1,086.99
  6. Step 6: Final answer
    x = 705.77

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.