Home / 799,198.78-1,198,798.85-222,799.21

Finding the Fourth Proportional to 799,198.78, 1,198,798.85 and 222,799.21

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Solution

The fourth proportional to 799,198.78, 1,198,798.85 and 222,799.21 is: 334,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,198.78 : 1,198,798.85 = 222,799.21 : x
  2. Step 2: Convert to fraction form
    799,198.78/1,198,798.85 = 222,799.21/x
  3. Step 3: Cross multiply
    799,198.78x = 1,198,798.85 × 222,799.21
  4. Step 4: Simplify right side
    799,198.78x = 267,091,429,620.92
  5. Step 5: Solve for x
    x = 267,091,429,620.92/799,198.78
  6. Step 6: Final answer
    x = 334,199.00

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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.