Home / 822,135.48-1,233,201.60-309,896.34

Finding the Fourth Proportional to 822,135.48, 1,233,201.60 and 309,896.34

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Solution

The fourth proportional to 822,135.48, 1,233,201.60 and 309,896.34 is: 464,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,135.48 : 1,233,201.60 = 309,896.34 : x
  2. Step 2: Convert to fraction form
    822,135.48/1,233,201.60 = 309,896.34/x
  3. Step 3: Cross multiply
    822,135.48x = 1,233,201.60 × 309,896.34
  4. Step 4: Simplify right side
    822,135.48x = 382,164,662,322.14
  5. Step 5: Solve for x
    x = 382,164,662,322.14/822,135.48
  6. Step 6: Final answer
    x = 464,843.90

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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.