Home / 889,344.42-1,227,295.04-481,445.96

Finding the Fourth Proportional to 889,344.42, 1,227,295.04 and 481,445.96

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Solution

The fourth proportional to 889,344.42, 1,227,295.04 and 481,445.96 is: 664,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,344.42 : 1,227,295.04 = 481,445.96 : x
  2. Step 2: Convert to fraction form
    889,344.42/1,227,295.04 = 481,445.96/x
  3. Step 3: Cross multiply
    889,344.42x = 1,227,295.04 × 481,445.96
  4. Step 4: Simplify right side
    889,344.42x = 590,876,238,736.04
  5. Step 5: Solve for x
    x = 590,876,238,736.04/889,344.42
  6. Step 6: Final answer
    x = 664,395.28

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Double scale
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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.