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Finding the Fourth Proportional to 650,781.78, 898,071.98 and 364,304.22

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Solution

The fourth proportional to 650,781.78, 898,071.98 and 364,304.22 is: 502,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,781.78 : 898,071.98 = 364,304.22 : x
  2. Step 2: Convert to fraction form
    650,781.78/898,071.98 = 364,304.22/x
  3. Step 3: Cross multiply
    650,781.78x = 898,071.98 × 364,304.22
  4. Step 4: Simplify right side
    650,781.78x = 327,171,412,177.76
  5. Step 5: Solve for x
    x = 327,171,412,177.76/650,781.78
  6. Step 6: Final answer
    x = 502,735.97

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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.