Home / 741,021.87-1,022,596.83-418,725

Finding the Fourth Proportional to 741,021.87, 1,022,596.83 and 418,725

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Solution

The fourth proportional to 741,021.87, 1,022,596.83 and 418,725 is: 577,832.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,021.87 : 1,022,596.83 = 418,725 : x
  2. Step 2: Convert to fraction form
    741,021.87/1,022,596.83 = 418,725/x
  3. Step 3: Cross multiply
    741,021.87x = 1,022,596.83 × 418,725
  4. Step 4: Simplify right side
    741,021.87x = 428,186,857,641.75
  5. Step 5: Solve for x
    x = 428,186,857,641.75/741,021.87
  6. Step 6: Final answer
    x = 577,832.96

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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.