Home / 889,698.09-1,227,777.26-481,790.60

Finding the Fourth Proportional to 889,698.09, 1,227,777.26 and 481,790.60

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Solution

The fourth proportional to 889,698.09, 1,227,777.26 and 481,790.60 is: 664,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,698.09 : 1,227,777.26 = 481,790.60 : x
  2. Step 2: Convert to fraction form
    889,698.09/1,227,777.26 = 481,790.60/x
  3. Step 3: Cross multiply
    889,698.09x = 1,227,777.26 × 481,790.60
  4. Step 4: Simplify right side
    889,698.09x = 591,531,534,213.92
  5. Step 5: Solve for x
    x = 591,531,534,213.92/889,698.09
  6. Step 6: Final answer
    x = 664,867.71

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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.