Home / 889,832.32-1,227,972.26-481,939

Finding the Fourth Proportional to 889,832.32, 1,227,972.26 and 481,939

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Solution

The fourth proportional to 889,832.32, 1,227,972.26 and 481,939 is: 665,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,832.32 : 1,227,972.26 = 481,939 : x
  2. Step 2: Convert to fraction form
    889,832.32/1,227,972.26 = 481,939/x
  3. Step 3: Cross multiply
    889,832.32x = 1,227,972.26 × 481,939
  4. Step 4: Simplify right side
    889,832.32x = 591,807,723,012.14
  5. Step 5: Solve for x
    x = 591,807,723,012.14/889,832.32
  6. Step 6: Final answer
    x = 665,077.80

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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.