Home / 727,383.34-1,003,820.16-405,093.43

Finding the Fourth Proportional to 727,383.34, 1,003,820.16 and 405,093.43

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Solution

The fourth proportional to 727,383.34, 1,003,820.16 and 405,093.43 is: 559,046.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,383.34 : 1,003,820.16 = 405,093.43 : x
  2. Step 2: Convert to fraction form
    727,383.34/1,003,820.16 = 405,093.43/x
  3. Step 3: Cross multiply
    727,383.34x = 1,003,820.16 × 405,093.43
  4. Step 4: Simplify right side
    727,383.34x = 406,640,951,717.55
  5. Step 5: Solve for x
    x = 406,640,951,717.55/727,383.34
  6. Step 6: Final answer
    x = 559,046.28

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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.