Home / 727,279.76-1,090,171.11-322,662.52

Finding the Fourth Proportional to 727,279.76, 1,090,171.11 and 322,662.52

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Solution

The fourth proportional to 727,279.76, 1,090,171.11 and 322,662.52 is: 483,661.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,279.76 : 1,090,171.11 = 322,662.52 : x
  2. Step 2: Convert to fraction form
    727,279.76/1,090,171.11 = 322,662.52/x
  3. Step 3: Cross multiply
    727,279.76x = 1,090,171.11 × 322,662.52
  4. Step 4: Simplify right side
    727,279.76x = 351,757,361,115.88
  5. Step 5: Solve for x
    x = 351,757,361,115.88/727,279.76
  6. Step 6: Final answer
    x = 483,661.69

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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.