Home / 764,481.05-1,147,607.41-410,187.05

Finding the Fourth Proportional to 764,481.05, 1,147,607.41 and 410,187.05

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Solution

The fourth proportional to 764,481.05, 1,147,607.41 and 410,187.05 is: 615,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,481.05 : 1,147,607.41 = 410,187.05 : x
  2. Step 2: Convert to fraction form
    764,481.05/1,147,607.41 = 410,187.05/x
  3. Step 3: Cross multiply
    764,481.05x = 1,147,607.41 × 410,187.05
  4. Step 4: Simplify right side
    764,481.05x = 470,733,691,302.54
  5. Step 5: Solve for x
    x = 470,733,691,302.54/764,481.05
  6. Step 6: Final answer
    x = 615,755.87

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Double scale
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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.