Home / 889,549.78-1,227,579.42-481,652.14

Finding the Fourth Proportional to 889,549.78, 1,227,579.42 and 481,652.14

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Solution

The fourth proportional to 889,549.78, 1,227,579.42 and 481,652.14 is: 664,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,549.78 : 1,227,579.42 = 481,652.14 : x
  2. Step 2: Convert to fraction form
    889,549.78/1,227,579.42 = 481,652.14/x
  3. Step 3: Cross multiply
    889,549.78x = 1,227,579.42 × 481,652.14
  4. Step 4: Simplify right side
    889,549.78x = 591,266,254,662.96
  5. Step 5: Solve for x
    x = 591,266,254,662.96/889,549.78
  6. Step 6: Final answer
    x = 664,680.34

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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.