Home / 394,597.20-591,895.80-245,006.40

Finding the Fourth Proportional to 394,597.20, 591,895.80 and 245,006.40

Calculator

Solution

The fourth proportional to 394,597.20, 591,895.80 and 245,006.40 is: 367,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,597.20 : 591,895.80 = 245,006.40 : x
  2. Step 2: Convert to fraction form
    394,597.20/591,895.80 = 245,006.40/x
  3. Step 3: Cross multiply
    394,597.20x = 591,895.80 × 245,006.40
  4. Step 4: Simplify right side
    394,597.20x = 145,018,259,133.12
  5. Step 5: Solve for x
    x = 145,018,259,133.12/394,597.20
  6. Step 6: Final answer
    x = 367,509.60

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.