Home / 889,720.96-1,227,815.46-481,825.96

Finding the Fourth Proportional to 889,720.96, 1,227,815.46 and 481,825.96

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Solution

The fourth proportional to 889,720.96, 1,227,815.46 and 481,825.96 is: 664,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,720.96 : 1,227,815.46 = 481,825.96 : x
  2. Step 2: Convert to fraction form
    889,720.96/1,227,815.46 = 481,825.96/x
  3. Step 3: Cross multiply
    889,720.96x = 1,227,815.46 × 481,825.96
  4. Step 4: Simplify right side
    889,720.96x = 591,593,362,717.34
  5. Step 5: Solve for x
    x = 591,593,362,717.34/889,720.96
  6. Step 6: Final answer
    x = 664,920.11

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Why These Related Problems?

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