Home / 663,661.20-995,491.80-190,394.40

Finding the Fourth Proportional to 663,661.20, 995,491.80 and 190,394.40

Calculator

Solution

The fourth proportional to 663,661.20, 995,491.80 and 190,394.40 is: 285,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,661.20 : 995,491.80 = 190,394.40 : x
  2. Step 2: Convert to fraction form
    663,661.20/995,491.80 = 190,394.40/x
  3. Step 3: Cross multiply
    663,661.20x = 995,491.80 × 190,394.40
  4. Step 4: Simplify right side
    663,661.20x = 189,536,063,965.92
  5. Step 5: Solve for x
    x = 189,536,063,965.92/663,661.20
  6. Step 6: Final answer
    x = 285,591.60

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.