Home / 766,901.87-1,150,360.10-205,936.37

Finding the Fourth Proportional to 766,901.87, 1,150,360.10 and 205,936.37

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Solution

The fourth proportional to 766,901.87, 1,150,360.10 and 205,936.37 is: 308,906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,901.87 : 1,150,360.10 = 205,936.37 : x
  2. Step 2: Convert to fraction form
    766,901.87/1,150,360.10 = 205,936.37/x
  3. Step 3: Cross multiply
    766,901.87x = 1,150,360.10 × 205,936.37
  4. Step 4: Simplify right side
    766,901.87x = 236,900,983,186.84
  5. Step 5: Solve for x
    x = 236,900,983,186.84/766,901.87
  6. Step 6: Final answer
    x = 308,906.51

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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.