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Finding the Fourth Proportional to 635,865.74, 954,607.96 and 412,162.27

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Solution

The fourth proportional to 635,865.74, 954,607.96 and 412,162.27 is: 618,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,865.74 : 954,607.96 = 412,162.27 : x
  2. Step 2: Convert to fraction form
    635,865.74/954,607.96 = 412,162.27/x
  3. Step 3: Cross multiply
    635,865.74x = 954,607.96 × 412,162.27
  4. Step 4: Simplify right side
    635,865.74x = 393,453,383,753.67
  5. Step 5: Solve for x
    x = 393,453,383,753.67/635,865.74
  6. Step 6: Final answer
    x = 618,768.02

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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.