Home / 727,469.56-1,003,881.97-405,162.26

Finding the Fourth Proportional to 727,469.56, 1,003,881.97 and 405,162.26

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Solution

The fourth proportional to 727,469.56, 1,003,881.97 and 405,162.26 is: 559,109.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,469.56 : 1,003,881.97 = 405,162.26 : x
  2. Step 2: Convert to fraction form
    727,469.56/1,003,881.97 = 405,162.26/x
  3. Step 3: Cross multiply
    727,469.56x = 1,003,881.97 × 405,162.26
  4. Step 4: Simplify right side
    727,469.56x = 406,735,087,738.45
  5. Step 5: Solve for x
    x = 406,735,087,738.45/727,469.56
  6. Step 6: Final answer
    x = 559,109.43

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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.