Home / 846,966.22-1,270,179.88-278,215.36

Finding the Fourth Proportional to 846,966.22, 1,270,179.88 and 278,215.36

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Solution

The fourth proportional to 846,966.22, 1,270,179.88 and 278,215.36 is: 417,234.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,966.22 : 1,270,179.88 = 278,215.36 : x
  2. Step 2: Convert to fraction form
    846,966.22/1,270,179.88 = 278,215.36/x
  3. Step 3: Cross multiply
    846,966.22x = 1,270,179.88 × 278,215.36
  4. Step 4: Simplify right side
    846,966.22x = 353,383,552,578.96
  5. Step 5: Solve for x
    x = 353,383,552,578.96/846,966.22
  6. Step 6: Final answer
    x = 417,234.53

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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.