Home / 695,028.60-1,042,640.10-295,666.20

Finding the Fourth Proportional to 695,028.60, 1,042,640.10 and 295,666.20

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Solution

The fourth proportional to 695,028.60, 1,042,640.10 and 295,666.20 is: 443,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,028.60 : 1,042,640.10 = 295,666.20 : x
  2. Step 2: Convert to fraction form
    695,028.60/1,042,640.10 = 295,666.20/x
  3. Step 3: Cross multiply
    695,028.60x = 1,042,640.10 × 295,666.20
  4. Step 4: Simplify right side
    695,028.60x = 308,273,436,334.62
  5. Step 5: Solve for x
    x = 308,273,436,334.62/695,028.60
  6. Step 6: Final answer
    x = 443,540.65

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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.