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Finding the Fourth Proportional to 636,324.27, 954,283.52 and 209,780.60

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Solution

The fourth proportional to 636,324.27, 954,283.52 and 209,780.60 is: 314,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,324.27 : 954,283.52 = 209,780.60 : x
  2. Step 2: Convert to fraction form
    636,324.27/954,283.52 = 209,780.60/x
  3. Step 3: Cross multiply
    636,324.27x = 954,283.52 × 209,780.60
  4. Step 4: Simplify right side
    636,324.27x = 200,190,163,575.39
  5. Step 5: Solve for x
    x = 200,190,163,575.39/636,324.27
  6. Step 6: Final answer
    x = 314,604.00

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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.