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Finding the Fourth Proportional to 888,540.49, 1,224,910.51 and 633,448.81

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Solution

The fourth proportional to 888,540.49, 1,224,910.51 and 633,448.81 is: 873,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,540.49 : 1,224,910.51 = 633,448.81 : x
  2. Step 2: Convert to fraction form
    888,540.49/1,224,910.51 = 633,448.81/x
  3. Step 3: Cross multiply
    888,540.49x = 1,224,910.51 × 633,448.81
  4. Step 4: Simplify right side
    888,540.49x = 775,918,104,915.99
  5. Step 5: Solve for x
    x = 775,918,104,915.99/888,540.49
  6. Step 6: Final answer
    x = 873,250.14

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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.