Home / 889,811.83-1,227,939.26-481,913.42

Finding the Fourth Proportional to 889,811.83, 1,227,939.26 and 481,913.42

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Solution

The fourth proportional to 889,811.83, 1,227,939.26 and 481,913.42 is: 665,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,811.83 : 1,227,939.26 = 481,913.42 : x
  2. Step 2: Convert to fraction form
    889,811.83/1,227,939.26 = 481,913.42/x
  3. Step 3: Cross multiply
    889,811.83x = 1,227,939.26 × 481,913.42
  4. Step 4: Simplify right side
    889,811.83x = 591,760,408,999.15
  5. Step 5: Solve for x
    x = 591,760,408,999.15/889,811.83
  6. Step 6: Final answer
    x = 665,039.95

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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.