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Finding the Fourth Proportional to 884,115, 1,220,078.70 and 481,707

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Solution

The fourth proportional to 884,115, 1,220,078.70 and 481,707 is: 664,755.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,115 : 1,220,078.70 = 481,707 : x
  2. Step 2: Convert to fraction form
    884,115/1,220,078.70 = 481,707/x
  3. Step 3: Cross multiply
    884,115x = 1,220,078.70 × 481,707
  4. Step 4: Simplify right side
    884,115x = 587,720,450,340.90
  5. Step 5: Solve for x
    x = 587,720,450,340.90/884,115
  6. Step 6: Final answer
    x = 664,755.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.