Home / 695,942.72-1,043,988.96-222,459.20

Finding the Fourth Proportional to 695,942.72, 1,043,988.96 and 222,459.20

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Solution

The fourth proportional to 695,942.72, 1,043,988.96 and 222,459.20 is: 333,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,942.72 : 1,043,988.96 = 222,459.20 : x
  2. Step 2: Convert to fraction form
    695,942.72/1,043,988.96 = 222,459.20/x
  3. Step 3: Cross multiply
    695,942.72x = 1,043,988.96 × 222,459.20
  4. Step 4: Simplify right side
    695,942.72x = 232,244,948,850.43
  5. Step 5: Solve for x
    x = 232,244,948,850.43/695,942.72
  6. Step 6: Final answer
    x = 333,712.74

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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.