Home / 801,939-1,106,675.82-479,662.68

Finding the Fourth Proportional to 801,939, 1,106,675.82 and 479,662.68

Calculator

Solution

The fourth proportional to 801,939, 1,106,675.82 and 479,662.68 is: 661,934.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,939 : 1,106,675.82 = 479,662.68 : x
  2. Step 2: Convert to fraction form
    801,939/1,106,675.82 = 479,662.68/x
  3. Step 3: Cross multiply
    801,939x = 1,106,675.82 × 479,662.68
  4. Step 4: Simplify right side
    801,939x = 530,831,089,712.40
  5. Step 5: Solve for x
    x = 530,831,089,712.40/801,939
  6. Step 6: Final answer
    x = 661,934.50

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.