Home / 889,346.42-1,227,297.80-481,447.96

Finding the Fourth Proportional to 889,346.42, 1,227,297.80 and 481,447.96

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Solution

The fourth proportional to 889,346.42, 1,227,297.80 and 481,447.96 is: 664,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,346.42 : 1,227,297.80 = 481,447.96 : x
  2. Step 2: Convert to fraction form
    889,346.42/1,227,297.80 = 481,447.96/x
  3. Step 3: Cross multiply
    889,346.42x = 1,227,297.80 × 481,447.96
  4. Step 4: Simplify right side
    889,346.42x = 590,880,022,122.49
  5. Step 5: Solve for x
    x = 590,880,022,122.49/889,346.42
  6. Step 6: Final answer
    x = 664,398.04

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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.