Home / 741,678.98-1,023,474.03-419,456.66

Finding the Fourth Proportional to 741,678.98, 1,023,474.03 and 419,456.66

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Solution

The fourth proportional to 741,678.98, 1,023,474.03 and 419,456.66 is: 578,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,678.98 : 1,023,474.03 = 419,456.66 : x
  2. Step 2: Convert to fraction form
    741,678.98/1,023,474.03 = 419,456.66/x
  3. Step 3: Cross multiply
    741,678.98x = 1,023,474.03 × 419,456.66
  4. Step 4: Simplify right side
    741,678.98x = 429,302,998,220.54
  5. Step 5: Solve for x
    x = 429,302,998,220.54/741,678.98
  6. Step 6: Final answer
    x = 578,825.89

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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.