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Finding the Fourth Proportional to 809,655, 1,214,477.04 and 269,952.60

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Solution

The fourth proportional to 809,655, 1,214,477.04 and 269,952.60 is: 404,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,655 : 1,214,477.04 = 269,952.60 : x
  2. Step 2: Convert to fraction form
    809,655/1,214,477.04 = 269,952.60/x
  3. Step 3: Cross multiply
    809,655x = 1,214,477.04 × 269,952.60
  4. Step 4: Simplify right side
    809,655x = 327,851,234,588.30
  5. Step 5: Solve for x
    x = 327,851,234,588.30/809,655
  6. Step 6: Final answer
    x = 404,927.08

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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.