Home / 802,812.33-1,201,708.91-518,122.34

Finding the Fourth Proportional to 802,812.33, 1,201,708.91 and 518,122.34

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Solution

The fourth proportional to 802,812.33, 1,201,708.91 and 518,122.34 is: 775,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,812.33 : 1,201,708.91 = 518,122.34 : x
  2. Step 2: Convert to fraction form
    802,812.33/1,201,708.91 = 518,122.34/x
  3. Step 3: Cross multiply
    802,812.33x = 1,201,708.91 × 518,122.34
  4. Step 4: Simplify right side
    802,812.33x = 622,632,232,241.22
  5. Step 5: Solve for x
    x = 622,632,232,241.22/802,812.33
  6. Step 6: Final answer
    x = 775,563.86

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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.