Home / 724,150.77-1,086,234.14-218,716.05

Finding the Fourth Proportional to 724,150.77, 1,086,234.14 and 218,716.05

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Solution

The fourth proportional to 724,150.77, 1,086,234.14 and 218,716.05 is: 328,076.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,150.77 : 1,086,234.14 = 218,716.05 : x
  2. Step 2: Convert to fraction form
    724,150.77/1,086,234.14 = 218,716.05/x
  3. Step 3: Cross multiply
    724,150.77x = 1,086,234.14 × 218,716.05
  4. Step 4: Simplify right side
    724,150.77x = 237,576,839,382.37
  5. Step 5: Solve for x
    x = 237,576,839,382.37/724,150.77
  6. Step 6: Final answer
    x = 328,076.49

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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.