Home / 694,918.52-1,042,388.76-274,190.76

Finding the Fourth Proportional to 694,918.52, 1,042,388.76 and 274,190.76

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Solution

The fourth proportional to 694,918.52, 1,042,388.76 and 274,190.76 is: 411,290.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,918.52 : 1,042,388.76 = 274,190.76 : x
  2. Step 2: Convert to fraction form
    694,918.52/1,042,388.76 = 274,190.76/x
  3. Step 3: Cross multiply
    694,918.52x = 1,042,388.76 × 274,190.76
  4. Step 4: Simplify right side
    694,918.52x = 285,813,366,319.86
  5. Step 5: Solve for x
    x = 285,813,366,319.86/694,918.52
  6. Step 6: Final answer
    x = 411,290.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.