Home / 727,279.82-1,090,171.21-322,662.59

Finding the Fourth Proportional to 727,279.82, 1,090,171.21 and 322,662.59

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Solution

The fourth proportional to 727,279.82, 1,090,171.21 and 322,662.59 is: 483,661.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,279.82 : 1,090,171.21 = 322,662.59 : x
  2. Step 2: Convert to fraction form
    727,279.82/1,090,171.21 = 322,662.59/x
  3. Step 3: Cross multiply
    727,279.82x = 1,090,171.21 × 322,662.59
  4. Step 4: Simplify right side
    727,279.82x = 351,757,459,904.52
  5. Step 5: Solve for x
    x = 351,757,459,904.52/727,279.82
  6. Step 6: Final answer
    x = 483,661.79

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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.