Home / 991,679.80-1,489,074.90-571,775.80

Finding the Fourth Proportional to 991,679.80, 1,489,074.90 and 571,775.80

Calculator

Solution

The fourth proportional to 991,679.80, 1,489,074.90 and 571,775.80 is: 858,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,679.80 : 1,489,074.90 = 571,775.80 : x
  2. Step 2: Convert to fraction form
    991,679.80/1,489,074.90 = 571,775.80/x
  3. Step 3: Cross multiply
    991,679.80x = 1,489,074.90 × 571,775.80
  4. Step 4: Simplify right side
    991,679.80x = 851,416,992,207.42
  5. Step 5: Solve for x
    x = 851,416,992,207.42/991,679.80
  6. Step 6: Final answer
    x = 858,560.39

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.