Home / 766,900.87-1,150,358.60-205,935.37

Finding the Fourth Proportional to 766,900.87, 1,150,358.60 and 205,935.37

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Solution

The fourth proportional to 766,900.87, 1,150,358.60 and 205,935.37 is: 308,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,900.87 : 1,150,358.60 = 205,935.37 : x
  2. Step 2: Convert to fraction form
    766,900.87/1,150,358.60 = 205,935.37/x
  3. Step 3: Cross multiply
    766,900.87x = 1,150,358.60 × 205,935.37
  4. Step 4: Simplify right side
    766,900.87x = 236,899,523,923.68
  5. Step 5: Solve for x
    x = 236,899,523,923.68/766,900.87
  6. Step 6: Final answer
    x = 308,905.01

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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.