Home / 700,720.26-966,993.71-378,430.43

Finding the Fourth Proportional to 700,720.26, 966,993.71 and 378,430.43

Calculator

Solution

The fourth proportional to 700,720.26, 966,993.71 and 378,430.43 is: 522,233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,720.26 : 966,993.71 = 378,430.43 : x
  2. Step 2: Convert to fraction form
    700,720.26/966,993.71 = 378,430.43/x
  3. Step 3: Cross multiply
    700,720.26x = 966,993.71 × 378,430.43
  4. Step 4: Simplify right side
    700,720.26x = 365,939,841,593.70
  5. Step 5: Solve for x
    x = 365,939,841,593.70/700,720.26
  6. Step 6: Final answer
    x = 522,233.85

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.