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Finding the Fourth Proportional to 665,042.20, 997,563.30 and 332,498.20

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Solution

The fourth proportional to 665,042.20, 997,563.30 and 332,498.20 is: 498,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,042.20 : 997,563.30 = 332,498.20 : x
  2. Step 2: Convert to fraction form
    665,042.20/997,563.30 = 332,498.20/x
  3. Step 3: Cross multiply
    665,042.20x = 997,563.30 × 332,498.20
  4. Step 4: Simplify right side
    665,042.20x = 331,688,001,636.06
  5. Step 5: Solve for x
    x = 331,688,001,636.06/665,042.20
  6. Step 6: Final answer
    x = 498,747.30

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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.