Home / 741,026.74-1,022,603.54-418,729.90

Finding the Fourth Proportional to 741,026.74, 1,022,603.54 and 418,729.90

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Solution

The fourth proportional to 741,026.74, 1,022,603.54 and 418,729.90 is: 577,839.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,026.74 : 1,022,603.54 = 418,729.90 : x
  2. Step 2: Convert to fraction form
    741,026.74/1,022,603.54 = 418,729.90/x
  3. Step 3: Cross multiply
    741,026.74x = 1,022,603.54 × 418,729.90
  4. Step 4: Simplify right side
    741,026.74x = 428,194,678,043.85
  5. Step 5: Solve for x
    x = 428,194,678,043.85/741,026.74
  6. Step 6: Final answer
    x = 577,839.71

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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.