Home / 889,728.06-1,227,818.31-481,820.44

Finding the Fourth Proportional to 889,728.06, 1,227,818.31 and 481,820.44

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Solution

The fourth proportional to 889,728.06, 1,227,818.31 and 481,820.44 is: 664,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,728.06 : 1,227,818.31 = 481,820.44 : x
  2. Step 2: Convert to fraction form
    889,728.06/1,227,818.31 = 481,820.44/x
  3. Step 3: Cross multiply
    889,728.06x = 1,227,818.31 × 481,820.44
  4. Step 4: Simplify right side
    889,728.06x = 591,587,954,420.38
  5. Step 5: Solve for x
    x = 591,587,954,420.38/889,728.06
  6. Step 6: Final answer
    x = 664,908.73

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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.