Home / 764,734.57-1,146,856.29-252,284.53

Finding the Fourth Proportional to 764,734.57, 1,146,856.29 and 252,284.53

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Solution

The fourth proportional to 764,734.57, 1,146,856.29 and 252,284.53 is: 378,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,734.57 : 1,146,856.29 = 252,284.53 : x
  2. Step 2: Convert to fraction form
    764,734.57/1,146,856.29 = 252,284.53/x
  3. Step 3: Cross multiply
    764,734.57x = 1,146,856.29 × 252,284.53
  4. Step 4: Simplify right side
    764,734.57x = 289,334,100,100.19
  5. Step 5: Solve for x
    x = 289,334,100,100.19/764,734.57
  6. Step 6: Final answer
    x = 378,345.78

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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.