Home / 398,247.40-549,656.58-228,592.36

Finding the Fourth Proportional to 398,247.40, 549,656.58 and 228,592.36

Calculator

Solution

The fourth proportional to 398,247.40, 549,656.58 and 228,592.36 is: 315,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,247.40 : 549,656.58 = 228,592.36 : x
  2. Step 2: Convert to fraction form
    398,247.40/549,656.58 = 228,592.36/x
  3. Step 3: Cross multiply
    398,247.40x = 549,656.58 × 228,592.36
  4. Step 4: Simplify right side
    398,247.40x = 125,647,294,811.73
  5. Step 5: Solve for x
    x = 125,647,294,811.73/398,247.40
  6. Step 6: Final answer
    x = 315,500.60

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.