Home / 889,555.42-1,227,581.22-481,648.83

Finding the Fourth Proportional to 889,555.42, 1,227,581.22 and 481,648.83

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Solution

The fourth proportional to 889,555.42, 1,227,581.22 and 481,648.83 is: 664,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,555.42 : 1,227,581.22 = 481,648.83 : x
  2. Step 2: Convert to fraction form
    889,555.42/1,227,581.22 = 481,648.83/x
  3. Step 3: Cross multiply
    889,555.42x = 1,227,581.22 × 481,648.83
  4. Step 4: Simplify right side
    889,555.42x = 591,263,058,342.97
  5. Step 5: Solve for x
    x = 591,263,058,342.97/889,555.42
  6. Step 6: Final answer
    x = 664,672.54

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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.