Home / 825,630.12-1,238,446.26-226,599.48

Finding the Fourth Proportional to 825,630.12, 1,238,446.26 and 226,599.48

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Solution

The fourth proportional to 825,630.12, 1,238,446.26 and 226,599.48 is: 339,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,630.12 : 1,238,446.26 = 226,599.48 : x
  2. Step 2: Convert to fraction form
    825,630.12/1,238,446.26 = 226,599.48/x
  3. Step 3: Cross multiply
    825,630.12x = 1,238,446.26 × 226,599.48
  4. Step 4: Simplify right side
    825,630.12x = 280,631,278,523.95
  5. Step 5: Solve for x
    x = 280,631,278,523.95/825,630.12
  6. Step 6: Final answer
    x = 339,899.52

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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.