Home / 787,618.20-1,181,427.30-366,936.60

Finding the Fourth Proportional to 787,618.20, 1,181,427.30 and 366,936.60

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Solution

The fourth proportional to 787,618.20, 1,181,427.30 and 366,936.60 is: 550,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,618.20 : 1,181,427.30 = 366,936.60 : x
  2. Step 2: Convert to fraction form
    787,618.20/1,181,427.30 = 366,936.60/x
  3. Step 3: Cross multiply
    787,618.20x = 1,181,427.30 × 366,936.60
  4. Step 4: Simplify right side
    787,618.20x = 433,508,916,609.18
  5. Step 5: Solve for x
    x = 433,508,916,609.18/787,618.20
  6. Step 6: Final answer
    x = 550,404.90

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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.