Home / 889,339.20-1,227,286.80-481,439.04

Finding the Fourth Proportional to 889,339.20, 1,227,286.80 and 481,439.04

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Solution

The fourth proportional to 889,339.20, 1,227,286.80 and 481,439.04 is: 664,385.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,339.20 : 1,227,286.80 = 481,439.04 : x
  2. Step 2: Convert to fraction form
    889,339.20/1,227,286.80 = 481,439.04/x
  3. Step 3: Cross multiply
    889,339.20x = 1,227,286.80 × 481,439.04
  4. Step 4: Simplify right side
    889,339.20x = 590,863,778,796.67
  5. Step 5: Solve for x
    x = 590,863,778,796.67/889,339.20
  6. Step 6: Final answer
    x = 664,385.17

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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.