Home / 807,632.80-1,211,449.20-727,453.60

Finding the Fourth Proportional to 807,632.80, 1,211,449.20 and 727,453.60

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Solution

The fourth proportional to 807,632.80, 1,211,449.20 and 727,453.60 is: 1,091,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,632.80 : 1,211,449.20 = 727,453.60 : x
  2. Step 2: Convert to fraction form
    807,632.80/1,211,449.20 = 727,453.60/x
  3. Step 3: Cross multiply
    807,632.80x = 1,211,449.20 × 727,453.60
  4. Step 4: Simplify right side
    807,632.80x = 881,273,081,757.12
  5. Step 5: Solve for x
    x = 881,273,081,757.12/807,632.80
  6. Step 6: Final answer
    x = 1,091,180.40

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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.