Home / 763,625.60-1,145,146.56-251,171.52

Finding the Fourth Proportional to 763,625.60, 1,145,146.56 and 251,171.52

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Solution

The fourth proportional to 763,625.60, 1,145,146.56 and 251,171.52 is: 376,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,625.60 : 1,145,146.56 = 251,171.52 : x
  2. Step 2: Convert to fraction form
    763,625.60/1,145,146.56 = 251,171.52/x
  3. Step 3: Cross multiply
    763,625.60x = 1,145,146.56 × 251,171.52
  4. Step 4: Simplify right side
    763,625.60x = 287,628,202,097.97
  5. Step 5: Solve for x
    x = 287,628,202,097.97/763,625.60
  6. Step 6: Final answer
    x = 376,661.29

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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.