Home / 920,107.72-1,380,180.04-246,187.95

Finding the Fourth Proportional to 920,107.72, 1,380,180.04 and 246,187.95

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Solution

The fourth proportional to 920,107.72, 1,380,180.04 and 246,187.95 is: 369,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,107.72 : 1,380,180.04 = 246,187.95 : x
  2. Step 2: Convert to fraction form
    920,107.72/1,380,180.04 = 246,187.95/x
  3. Step 3: Cross multiply
    920,107.72x = 1,380,180.04 × 246,187.95
  4. Step 4: Simplify right side
    920,107.72x = 339,783,694,678.52
  5. Step 5: Solve for x
    x = 339,783,694,678.52/920,107.72
  6. Step 6: Final answer
    x = 369,286.86

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Double scale
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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.