Home / 764,954.80-1,147,432.20-682,286.20

Finding the Fourth Proportional to 764,954.80, 1,147,432.20 and 682,286.20

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Solution

The fourth proportional to 764,954.80, 1,147,432.20 and 682,286.20 is: 1,023,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,954.80 : 1,147,432.20 = 682,286.20 : x
  2. Step 2: Convert to fraction form
    764,954.80/1,147,432.20 = 682,286.20/x
  3. Step 3: Cross multiply
    764,954.80x = 1,147,432.20 × 682,286.20
  4. Step 4: Simplify right side
    764,954.80x = 782,877,155,495.64
  5. Step 5: Solve for x
    x = 782,877,155,495.64/764,954.80
  6. Step 6: Final answer
    x = 1,023,429.30

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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.