Home / 383,245.66-528,884.51-219,928.78

Finding the Fourth Proportional to 383,245.66, 528,884.51 and 219,928.78

Calculator

Solution

The fourth proportional to 383,245.66, 528,884.51 and 219,928.78 is: 303,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,245.66 : 528,884.51 = 219,928.78 : x
  2. Step 2: Convert to fraction form
    383,245.66/528,884.51 = 219,928.78/x
  3. Step 3: Cross multiply
    383,245.66x = 528,884.51 × 219,928.78
  4. Step 4: Simplify right side
    383,245.66x = 116,316,925,045.20
  5. Step 5: Solve for x
    x = 116,316,925,045.20/383,245.66
  6. Step 6: Final answer
    x = 303,504.87

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.