Home / 697,910.73-1,047,163.66-394,346.59

Finding the Fourth Proportional to 697,910.73, 1,047,163.66 and 394,346.59

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Solution

The fourth proportional to 697,910.73, 1,047,163.66 and 394,346.59 is: 591,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,910.73 : 1,047,163.66 = 394,346.59 : x
  2. Step 2: Convert to fraction form
    697,910.73/1,047,163.66 = 394,346.59/x
  3. Step 3: Cross multiply
    697,910.73x = 1,047,163.66 × 394,346.59
  4. Step 4: Simplify right side
    697,910.73x = 412,945,422,997.64
  5. Step 5: Solve for x
    x = 412,945,422,997.64/697,910.73
  6. Step 6: Final answer
    x = 591,688.03

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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.