Home / 480,623.70-720,935.55-231,791.70

Finding the Fourth Proportional to 480,623.70, 720,935.55 and 231,791.70

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Solution

The fourth proportional to 480,623.70, 720,935.55 and 231,791.70 is: 347,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,623.70 : 720,935.55 = 231,791.70 : x
  2. Step 2: Convert to fraction form
    480,623.70/720,935.55 = 231,791.70/x
  3. Step 3: Cross multiply
    480,623.70x = 720,935.55 × 231,791.70
  4. Step 4: Simplify right side
    480,623.70x = 167,106,876,724.94
  5. Step 5: Solve for x
    x = 167,106,876,724.94/480,623.70
  6. Step 6: Final answer
    x = 347,687.55

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Similar ratio
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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.