Home / 791,633.62-1,187,000.56-311,601.25

Finding the Fourth Proportional to 791,633.62, 1,187,000.56 and 311,601.25

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Solution

The fourth proportional to 791,633.62, 1,187,000.56 and 311,601.25 is: 467,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,633.62 : 1,187,000.56 = 311,601.25 : x
  2. Step 2: Convert to fraction form
    791,633.62/1,187,000.56 = 311,601.25/x
  3. Step 3: Cross multiply
    791,633.62x = 1,187,000.56 × 311,601.25
  4. Step 4: Simplify right side
    791,633.62x = 369,870,858,246.70
  5. Step 5: Solve for x
    x = 369,870,858,246.70/791,633.62
  6. Step 6: Final answer
    x = 467,224.80

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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.