Home / 889,538.88-1,227,558.49-481,632.29

Finding the Fourth Proportional to 889,538.88, 1,227,558.49 and 481,632.29

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Solution

The fourth proportional to 889,538.88, 1,227,558.49 and 481,632.29 is: 664,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,538.88 : 1,227,558.49 = 481,632.29 : x
  2. Step 2: Convert to fraction form
    889,538.88/1,227,558.49 = 481,632.29/x
  3. Step 3: Cross multiply
    889,538.88x = 1,227,558.49 × 481,632.29
  4. Step 4: Simplify right side
    889,538.88x = 591,231,813,523.31
  5. Step 5: Solve for x
    x = 591,231,813,523.31/889,538.88
  6. Step 6: Final answer
    x = 664,649.77

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1.5x scale

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.