Home / 853,846.34-1,280,768.19-222,760.14

Finding the Fourth Proportional to 853,846.34, 1,280,768.19 and 222,760.14

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Solution

The fourth proportional to 853,846.34, 1,280,768.19 and 222,760.14 is: 334,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,846.34 : 1,280,768.19 = 222,760.14 : x
  2. Step 2: Convert to fraction form
    853,846.34/1,280,768.19 = 222,760.14/x
  3. Step 3: Cross multiply
    853,846.34x = 1,280,768.19 × 222,760.14
  4. Step 4: Simplify right side
    853,846.34x = 285,304,101,311.95
  5. Step 5: Solve for x
    x = 285,304,101,311.95/853,846.34
  6. Step 6: Final answer
    x = 334,139.87

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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.