Home / 493,319.40-739,979.10-177,786.60

Finding the Fourth Proportional to 493,319.40, 739,979.10 and 177,786.60

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Solution

The fourth proportional to 493,319.40, 739,979.10 and 177,786.60 is: 266,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,319.40 : 739,979.10 = 177,786.60 : x
  2. Step 2: Convert to fraction form
    493,319.40/739,979.10 = 177,786.60/x
  3. Step 3: Cross multiply
    493,319.40x = 739,979.10 × 177,786.60
  4. Step 4: Simplify right side
    493,319.40x = 131,558,368,260.06
  5. Step 5: Solve for x
    x = 131,558,368,260.06/493,319.40
  6. Step 6: Final answer
    x = 266,679.90

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Similar ratio
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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.