Home / 809,972.20-1,214,958.30-763,316.20

Finding the Fourth Proportional to 809,972.20, 1,214,958.30 and 763,316.20

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Solution

The fourth proportional to 809,972.20, 1,214,958.30 and 763,316.20 is: 1,144,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,972.20 : 1,214,958.30 = 763,316.20 : x
  2. Step 2: Convert to fraction form
    809,972.20/1,214,958.30 = 763,316.20/x
  3. Step 3: Cross multiply
    809,972.20x = 1,214,958.30 × 763,316.20
  4. Step 4: Simplify right side
    809,972.20x = 927,397,352,714.46
  5. Step 5: Solve for x
    x = 927,397,352,714.46/809,972.20
  6. Step 6: Final answer
    x = 1,144,974.30

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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.