Home / 741,292.58-1,023,001.49-419,003.91

Finding the Fourth Proportional to 741,292.58, 1,023,001.49 and 419,003.91

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Solution

The fourth proportional to 741,292.58, 1,023,001.49 and 419,003.91 is: 578,235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,292.58 : 1,023,001.49 = 419,003.91 : x
  2. Step 2: Convert to fraction form
    741,292.58/1,023,001.49 = 419,003.91/x
  3. Step 3: Cross multiply
    741,292.58x = 1,023,001.49 × 419,003.91
  4. Step 4: Simplify right side
    741,292.58x = 428,641,625,293.34
  5. Step 5: Solve for x
    x = 428,641,625,293.34/741,292.58
  6. Step 6: Final answer
    x = 578,235.42

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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.