Home / 706.68-975.09-445.05

Finding the Fourth Proportional to 706.68, 975.09 and 445.05

Calculator

Solution

The fourth proportional to 706.68, 975.09 and 445.05 is: 614.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.68 : 975.09 = 445.05 : x
  2. Step 2: Convert to fraction form
    706.68/975.09 = 445.05/x
  3. Step 3: Cross multiply
    706.68x = 975.09 × 445.05
  4. Step 4: Simplify right side
    706.68x = 433,963.80
  5. Step 5: Solve for x
    x = 433,963.80/706.68
  6. Step 6: Final answer
    x = 614.09

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.