Home / 681,107.70-1,021,661.55-231,679.20

Finding the Fourth Proportional to 681,107.70, 1,021,661.55 and 231,679.20

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Solution

The fourth proportional to 681,107.70, 1,021,661.55 and 231,679.20 is: 347,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,107.70 : 1,021,661.55 = 231,679.20 : x
  2. Step 2: Convert to fraction form
    681,107.70/1,021,661.55 = 231,679.20/x
  3. Step 3: Cross multiply
    681,107.70x = 1,021,661.55 × 231,679.20
  4. Step 4: Simplify right side
    681,107.70x = 236,697,730,574.76
  5. Step 5: Solve for x
    x = 236,697,730,574.76/681,107.70
  6. Step 6: Final answer
    x = 347,518.80

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Similar ratio
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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.