Home / 764,932.20-1,147,628.70-410,116.20

Finding the Fourth Proportional to 764,932.20, 1,147,628.70 and 410,116.20

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Solution

The fourth proportional to 764,932.20, 1,147,628.70 and 410,116.20 is: 615,297.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,932.20 : 1,147,628.70 = 410,116.20 : x
  2. Step 2: Convert to fraction form
    764,932.20/1,147,628.70 = 410,116.20/x
  3. Step 3: Cross multiply
    764,932.20x = 1,147,628.70 × 410,116.20
  4. Step 4: Simplify right side
    764,932.20x = 470,661,121,454.94
  5. Step 5: Solve for x
    x = 470,661,121,454.94/764,932.20
  6. Step 6: Final answer
    x = 615,297.83

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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.