Home / 741,026.88-1,022,603.72-418,730

Finding the Fourth Proportional to 741,026.88, 1,022,603.72 and 418,730

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Solution

The fourth proportional to 741,026.88, 1,022,603.72 and 418,730 is: 577,839.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,026.88 : 1,022,603.72 = 418,730 : x
  2. Step 2: Convert to fraction form
    741,026.88/1,022,603.72 = 418,730/x
  3. Step 3: Cross multiply
    741,026.88x = 1,022,603.72 × 418,730
  4. Step 4: Simplify right side
    741,026.88x = 428,194,855,675.60
  5. Step 5: Solve for x
    x = 428,194,855,675.60/741,026.88
  6. Step 6: Final answer
    x = 577,839.84

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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.