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Finding the Fourth Proportional to 567,791.28, 783,354.10 and 363,954.59

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Solution

The fourth proportional to 567,791.28, 783,354.10 and 363,954.59 is: 502,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,791.28 : 783,354.10 = 363,954.59 : x
  2. Step 2: Convert to fraction form
    567,791.28/783,354.10 = 363,954.59/x
  3. Step 3: Cross multiply
    567,791.28x = 783,354.10 × 363,954.59
  4. Step 4: Simplify right side
    567,791.28x = 285,105,320,290.32
  5. Step 5: Solve for x
    x = 285,105,320,290.32/567,791.28
  6. Step 6: Final answer
    x = 502,130.50

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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.