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Finding the Fourth Proportional to 803,365.92, 1,204,999.38 and 330,039

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Solution

The fourth proportional to 803,365.92, 1,204,999.38 and 330,039 is: 495,038.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,365.92 : 1,204,999.38 = 330,039 : x
  2. Step 2: Convert to fraction form
    803,365.92/1,204,999.38 = 330,039/x
  3. Step 3: Cross multiply
    803,365.92x = 1,204,999.38 × 330,039
  4. Step 4: Simplify right side
    803,365.92x = 397,696,790,375.82
  5. Step 5: Solve for x
    x = 397,696,790,375.82/803,365.92
  6. Step 6: Final answer
    x = 495,038.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.