Home / 741,027.88-1,022,605.10-418,731

Finding the Fourth Proportional to 741,027.88, 1,022,605.10 and 418,731

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Solution

The fourth proportional to 741,027.88, 1,022,605.10 and 418,731 is: 577,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,027.88 : 1,022,605.10 = 418,731 : x
  2. Step 2: Convert to fraction form
    741,027.88/1,022,605.10 = 418,731/x
  3. Step 3: Cross multiply
    741,027.88x = 1,022,605.10 × 418,731
  4. Step 4: Simplify right side
    741,027.88x = 428,196,456,128.10
  5. Step 5: Solve for x
    x = 428,196,456,128.10/741,027.88
  6. Step 6: Final answer
    x = 577,841.22

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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.