Home / 889,737.78-1,227,839.28-481,840.29

Finding the Fourth Proportional to 889,737.78, 1,227,839.28 and 481,840.29

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Solution

The fourth proportional to 889,737.78, 1,227,839.28 and 481,840.29 is: 664,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,737.78 : 1,227,839.28 = 481,840.29 : x
  2. Step 2: Convert to fraction form
    889,737.78/1,227,839.28 = 481,840.29/x
  3. Step 3: Cross multiply
    889,737.78x = 1,227,839.28 × 481,840.29
  4. Step 4: Simplify right side
    889,737.78x = 591,622,434,748.59
  5. Step 5: Solve for x
    x = 591,622,434,748.59/889,737.78
  6. Step 6: Final answer
    x = 664,940.22

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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.