Home / 636,785.20-954,974.48-210,241.92

Finding the Fourth Proportional to 636,785.20, 954,974.48 and 210,241.92

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Solution

The fourth proportional to 636,785.20, 954,974.48 and 210,241.92 is: 315,295.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,785.20 : 954,974.48 = 210,241.92 : x
  2. Step 2: Convert to fraction form
    636,785.20/954,974.48 = 210,241.92/x
  3. Step 3: Cross multiply
    636,785.20x = 954,974.48 × 210,241.92
  4. Step 4: Simplify right side
    636,785.20x = 200,775,668,226.20
  5. Step 5: Solve for x
    x = 200,775,668,226.20/636,785.20
  6. Step 6: Final answer
    x = 315,295.75

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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.