Home / 809.00-1,214.04-444.05

Finding the Fourth Proportional to 809.00, 1,214.04 and 444.05

Calculator

Solution

The fourth proportional to 809.00, 1,214.04 and 444.05 is: 666.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    809.00 : 1,214.04 = 444.05 : x
  2. Step 2: Convert to fraction form
    809.00/1,214.04 = 444.05/x
  3. Step 3: Cross multiply
    809.00x = 1,214.04 × 444.05
  4. Step 4: Simplify right side
    809.00x = 539,088.39
  5. Step 5: Solve for x
    x = 539,088.39/809.00
  6. Step 6: Final answer
    x = 666.37

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.