Home / 787,658.20-1,181,487.30-366,976.60

Finding the Fourth Proportional to 787,658.20, 1,181,487.30 and 366,976.60

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Solution

The fourth proportional to 787,658.20, 1,181,487.30 and 366,976.60 is: 550,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,658.20 : 1,181,487.30 = 366,976.60 : x
  2. Step 2: Convert to fraction form
    787,658.20/1,181,487.30 = 366,976.60/x
  3. Step 3: Cross multiply
    787,658.20x = 1,181,487.30 × 366,976.60
  4. Step 4: Simplify right side
    787,658.20x = 433,578,192,297.18
  5. Step 5: Solve for x
    x = 433,578,192,297.18/787,658.20
  6. Step 6: Final answer
    x = 550,464.90

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Double scale
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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.