Home / 889,729.53-1,227,827.88-481,832.03

Finding the Fourth Proportional to 889,729.53, 1,227,827.88 and 481,832.03

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Solution

The fourth proportional to 889,729.53, 1,227,827.88 and 481,832.03 is: 664,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,729.53 : 1,227,827.88 = 481,832.03 : x
  2. Step 2: Convert to fraction form
    889,729.53/1,227,827.88 = 481,832.03/x
  3. Step 3: Cross multiply
    889,729.53x = 1,227,827.88 × 481,832.03
  4. Step 4: Simplify right side
    889,729.53x = 591,606,793,771.86
  5. Step 5: Solve for x
    x = 591,606,793,771.86/889,729.53
  6. Step 6: Final answer
    x = 664,928.81

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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.