Home / 705,278.94-1,057,693.73-231,855.18

Finding the Fourth Proportional to 705,278.94, 1,057,693.73 and 231,855.18

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Solution

The fourth proportional to 705,278.94, 1,057,693.73 and 231,855.18 is: 347,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,278.94 : 1,057,693.73 = 231,855.18 : x
  2. Step 2: Convert to fraction form
    705,278.94/1,057,693.73 = 231,855.18/x
  3. Step 3: Cross multiply
    705,278.94x = 1,057,693.73 × 231,855.18
  4. Step 4: Simplify right side
    705,278.94x = 245,231,770,154.02
  5. Step 5: Solve for x
    x = 245,231,770,154.02/705,278.94
  6. Step 6: Final answer
    x = 347,708.91

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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.