Home / 893,845.33-1,233,530.89-485,974.61

Finding the Fourth Proportional to 893,845.33, 1,233,530.89 and 485,974.61

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Solution

The fourth proportional to 893,845.33, 1,233,530.89 and 485,974.61 is: 670,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,845.33 : 1,233,530.89 = 485,974.61 : x
  2. Step 2: Convert to fraction form
    893,845.33/1,233,530.89 = 485,974.61/x
  3. Step 3: Cross multiply
    893,845.33x = 1,233,530.89 × 485,974.61
  4. Step 4: Simplify right side
    893,845.33x = 599,464,693,190.70
  5. Step 5: Solve for x
    x = 599,464,693,190.70/893,845.33
  6. Step 6: Final answer
    x = 670,658.19

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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.