Home / 823,194.10-1,233,890.34-423,858.79

Finding the Fourth Proportional to 823,194.10, 1,233,890.34 and 423,858.79

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Solution

The fourth proportional to 823,194.10, 1,233,890.34 and 423,858.79 is: 635,324.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,194.10 : 1,233,890.34 = 423,858.79 : x
  2. Step 2: Convert to fraction form
    823,194.10/1,233,890.34 = 423,858.79/x
  3. Step 3: Cross multiply
    823,194.10x = 1,233,890.34 × 423,858.79
  4. Step 4: Simplify right side
    823,194.10x = 522,995,266,505.09
  5. Step 5: Solve for x
    x = 522,995,266,505.09/823,194.10
  6. Step 6: Final answer
    x = 635,324.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.