Home / 699,144.56-964,901.40-397,383.92

Finding the Fourth Proportional to 699,144.56, 964,901.40 and 397,383.92

Calculator

Solution

The fourth proportional to 699,144.56, 964,901.40 and 397,383.92 is: 548,436.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,144.56 : 964,901.40 = 397,383.92 : x
  2. Step 2: Convert to fraction form
    699,144.56/964,901.40 = 397,383.92/x
  3. Step 3: Cross multiply
    699,144.56x = 964,901.40 × 397,383.92
  4. Step 4: Simplify right side
    699,144.56x = 383,436,300,745.49
  5. Step 5: Solve for x
    x = 383,436,300,745.49/699,144.56
  6. Step 6: Final answer
    x = 548,436.36

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.