Home / 619,625.85-855,361.06-378,004.73

Finding the Fourth Proportional to 619,625.85, 855,361.06 and 378,004.73

Calculator

Solution

The fourth proportional to 619,625.85, 855,361.06 and 378,004.73 is: 521,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,625.85 : 855,361.06 = 378,004.73 : x
  2. Step 2: Convert to fraction form
    619,625.85/855,361.06 = 378,004.73/x
  3. Step 3: Cross multiply
    619,625.85x = 855,361.06 × 378,004.73
  4. Step 4: Simplify right side
    619,625.85x = 323,330,523,442.27
  5. Step 5: Solve for x
    x = 323,330,523,442.27/619,625.85
  6. Step 6: Final answer
    x = 521,815.74

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.