Home / 493,300.80-739,951.20-177,789.60

Finding the Fourth Proportional to 493,300.80, 739,951.20 and 177,789.60

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Solution

The fourth proportional to 493,300.80, 739,951.20 and 177,789.60 is: 266,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,300.80 : 739,951.20 = 177,789.60 : x
  2. Step 2: Convert to fraction form
    493,300.80/739,951.20 = 177,789.60/x
  3. Step 3: Cross multiply
    493,300.80x = 739,951.20 × 177,789.60
  4. Step 4: Simplify right side
    493,300.80x = 131,555,627,867.52
  5. Step 5: Solve for x
    x = 131,555,627,867.52/493,300.80
  6. Step 6: Final answer
    x = 266,684.40

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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.