Home / 658,101.00-987,026.66-320,802.42

Finding the Fourth Proportional to 658,101.00, 987,026.66 and 320,802.42

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Solution

The fourth proportional to 658,101.00, 987,026.66 and 320,802.42 is: 481,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,101.00 : 987,026.66 = 320,802.42 : x
  2. Step 2: Convert to fraction form
    658,101.00/987,026.66 = 320,802.42/x
  3. Step 3: Cross multiply
    658,101.00x = 987,026.66 × 320,802.42
  4. Step 4: Simplify right side
    658,101.00x = 316,640,546,237.38
  5. Step 5: Solve for x
    x = 316,640,546,237.38/658,101.00
  6. Step 6: Final answer
    x = 481,142.78

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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.