Home / 915,669.07-1,263,469.32-610,201.48

Finding the Fourth Proportional to 915,669.07, 1,263,469.32 and 610,201.48

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Solution

The fourth proportional to 915,669.07, 1,263,469.32 and 610,201.48 is: 841,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,669.07 : 1,263,469.32 = 610,201.48 : x
  2. Step 2: Convert to fraction form
    915,669.07/1,263,469.32 = 610,201.48/x
  3. Step 3: Cross multiply
    915,669.07x = 1,263,469.32 × 610,201.48
  4. Step 4: Simplify right side
    915,669.07x = 770,970,848,998.59
  5. Step 5: Solve for x
    x = 770,970,848,998.59/915,669.07
  6. Step 6: Final answer
    x = 841,975.42

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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.