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Finding the Fourth Proportional to 485,042.30, 727,563.45 and 366,944.30

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Solution

The fourth proportional to 485,042.30, 727,563.45 and 366,944.30 is: 550,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,042.30 : 727,563.45 = 366,944.30 : x
  2. Step 2: Convert to fraction form
    485,042.30/727,563.45 = 366,944.30/x
  3. Step 3: Cross multiply
    485,042.30x = 727,563.45 × 366,944.30
  4. Step 4: Simplify right side
    485,042.30x = 266,975,260,865.84
  5. Step 5: Solve for x
    x = 266,975,260,865.84/485,042.30
  6. Step 6: Final answer
    x = 550,416.45

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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.