Home / 479,027.82-661,028.34-274,935.16

Finding the Fourth Proportional to 479,027.82, 661,028.34 and 274,935.16

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Solution

The fourth proportional to 479,027.82, 661,028.34 and 274,935.16 is: 379,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,027.82 : 661,028.34 = 274,935.16 : x
  2. Step 2: Convert to fraction form
    479,027.82/661,028.34 = 274,935.16/x
  3. Step 3: Cross multiply
    479,027.82x = 661,028.34 × 274,935.16
  4. Step 4: Simplify right side
    479,027.82x = 181,739,934,279.73
  5. Step 5: Solve for x
    x = 181,739,934,279.73/479,027.82
  6. Step 6: Final answer
    x = 379,393.27

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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.