Home / 764,297.24-1,146,633.75-380,227.44

Finding the Fourth Proportional to 764,297.24, 1,146,633.75 and 380,227.44

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Solution

The fourth proportional to 764,297.24, 1,146,633.75 and 380,227.44 is: 570,434.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,297.24 : 1,146,633.75 = 380,227.44 : x
  2. Step 2: Convert to fraction form
    764,297.24/1,146,633.75 = 380,227.44/x
  3. Step 3: Cross multiply
    764,297.24x = 1,146,633.75 × 380,227.44
  4. Step 4: Simplify right side
    764,297.24x = 435,981,615,380.10
  5. Step 5: Solve for x
    x = 435,981,615,380.10/764,297.24
  6. Step 6: Final answer
    x = 570,434.63

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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.