Home / 831,873.90-1,147,997.14-469,296.62

Finding the Fourth Proportional to 831,873.90, 1,147,997.14 and 469,296.62

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Solution

The fourth proportional to 831,873.90, 1,147,997.14 and 469,296.62 is: 647,635.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,873.90 : 1,147,997.14 = 469,296.62 : x
  2. Step 2: Convert to fraction form
    831,873.90/1,147,997.14 = 469,296.62/x
  3. Step 3: Cross multiply
    831,873.90x = 1,147,997.14 × 469,296.62
  4. Step 4: Simplify right side
    831,873.90x = 538,751,177,571.67
  5. Step 5: Solve for x
    x = 538,751,177,571.67/831,873.90
  6. Step 6: Final answer
    x = 647,635.63

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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.