Home / 741,020.96-1,022,648.72-418,744.64

Finding the Fourth Proportional to 741,020.96, 1,022,648.72 and 418,744.64

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Solution

The fourth proportional to 741,020.96, 1,022,648.72 and 418,744.64 is: 577,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,020.96 : 1,022,648.72 = 418,744.64 : x
  2. Step 2: Convert to fraction form
    741,020.96/1,022,648.72 = 418,744.64/x
  3. Step 3: Cross multiply
    741,020.96x = 1,022,648.72 × 418,744.64
  4. Step 4: Simplify right side
    741,020.96x = 428,228,670,102.86
  5. Step 5: Solve for x
    x = 428,228,670,102.86/741,020.96
  6. Step 6: Final answer
    x = 577,890.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.