Home / 397,266.40-595,899.60-353,720.80

Finding the Fourth Proportional to 397,266.40, 595,899.60 and 353,720.80

Calculator

Solution

The fourth proportional to 397,266.40, 595,899.60 and 353,720.80 is: 530,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,266.40 : 595,899.60 = 353,720.80 : x
  2. Step 2: Convert to fraction form
    397,266.40/595,899.60 = 353,720.80/x
  3. Step 3: Cross multiply
    397,266.40x = 595,899.60 × 353,720.80
  4. Step 4: Simplify right side
    397,266.40x = 210,782,083,231.68
  5. Step 5: Solve for x
    x = 210,782,083,231.68/397,266.40
  6. Step 6: Final answer
    x = 530,581.20

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.