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Finding the Fourth Proportional to 652,610.44, 978,876.16 and 388,054.52

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Solution

The fourth proportional to 652,610.44, 978,876.16 and 388,054.52 is: 582,058.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,610.44 : 978,876.16 = 388,054.52 : x
  2. Step 2: Convert to fraction form
    652,610.44/978,876.16 = 388,054.52/x
  3. Step 3: Cross multiply
    652,610.44x = 978,876.16 × 388,054.52
  4. Step 4: Simplify right side
    652,610.44x = 379,857,318,408.24
  5. Step 5: Solve for x
    x = 379,857,318,408.24/652,610.44
  6. Step 6: Final answer
    x = 582,058.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.