Home / 394,799.56-544,825.05-213,511.48

Finding the Fourth Proportional to 394,799.56, 544,825.05 and 213,511.48

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Solution

The fourth proportional to 394,799.56, 544,825.05 and 213,511.48 is: 294,646.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,799.56 : 544,825.05 = 213,511.48 : x
  2. Step 2: Convert to fraction form
    394,799.56/544,825.05 = 213,511.48/x
  3. Step 3: Cross multiply
    394,799.56x = 544,825.05 × 213,511.48
  4. Step 4: Simplify right side
    394,799.56x = 116,326,400,603.84
  5. Step 5: Solve for x
    x = 116,326,400,603.84/394,799.56
  6. Step 6: Final answer
    x = 294,646.74

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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.