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Finding the Fourth Proportional to 681,805.30, 940,897.40 and 375,892.52

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Solution

The fourth proportional to 681,805.30, 940,897.40 and 375,892.52 is: 518,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,805.30 : 940,897.40 = 375,892.52 : x
  2. Step 2: Convert to fraction form
    681,805.30/940,897.40 = 375,892.52/x
  3. Step 3: Cross multiply
    681,805.30x = 940,897.40 × 375,892.52
  4. Step 4: Simplify right side
    681,805.30x = 353,676,294,747.45
  5. Step 5: Solve for x
    x = 353,676,294,747.45/681,805.30
  6. Step 6: Final answer
    x = 518,735.03

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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.