Home / 705,074.96-1,057,215-231,633.20

Finding the Fourth Proportional to 705,074.96, 1,057,215 and 231,633.20

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Solution

The fourth proportional to 705,074.96, 1,057,215 and 231,633.20 is: 347,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,074.96 : 1,057,215 = 231,633.20 : x
  2. Step 2: Convert to fraction form
    705,074.96/1,057,215 = 231,633.20/x
  3. Step 3: Cross multiply
    705,074.96x = 1,057,215 × 231,633.20
  4. Step 4: Simplify right side
    705,074.96x = 244,886,093,538
  5. Step 5: Solve for x
    x = 244,886,093,538/705,074.96
  6. Step 6: Final answer
    x = 347,319.23

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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.