Home / 809,484.64-1,214,210.20-269,780.04

Finding the Fourth Proportional to 809,484.64, 1,214,210.20 and 269,780.04

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Solution

The fourth proportional to 809,484.64, 1,214,210.20 and 269,780.04 is: 404,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,484.64 : 1,214,210.20 = 269,780.04 : x
  2. Step 2: Convert to fraction form
    809,484.64/1,214,210.20 = 269,780.04/x
  3. Step 3: Cross multiply
    809,484.64x = 1,214,210.20 × 269,780.04
  4. Step 4: Simplify right side
    809,484.64x = 327,569,676,324.41
  5. Step 5: Solve for x
    x = 327,569,676,324.41/809,484.64
  6. Step 6: Final answer
    x = 404,664.47

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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.