Home / 799,847.46-1,200,074.22-480,222.54

Finding the Fourth Proportional to 799,847.46, 1,200,074.22 and 480,222.54

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Solution

The fourth proportional to 799,847.46, 1,200,074.22 and 480,222.54 is: 720,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,847.46 : 1,200,074.22 = 480,222.54 : x
  2. Step 2: Convert to fraction form
    799,847.46/1,200,074.22 = 480,222.54/x
  3. Step 3: Cross multiply
    799,847.46x = 1,200,074.22 × 480,222.54
  4. Step 4: Simplify right side
    799,847.46x = 576,302,690,116.92
  5. Step 5: Solve for x
    x = 576,302,690,116.92/799,847.46
  6. Step 6: Final answer
    x = 720,515.75

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1.5x scale

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.