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Finding the Fourth Proportional to 652,460.36, 978,198.20 and 427,877.33

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Solution

The fourth proportional to 652,460.36, 978,198.20 and 427,877.33 is: 641,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,460.36 : 978,198.20 = 427,877.33 : x
  2. Step 2: Convert to fraction form
    652,460.36/978,198.20 = 427,877.33/x
  3. Step 3: Cross multiply
    652,460.36x = 978,198.20 × 427,877.33
  4. Step 4: Simplify right side
    652,460.36x = 418,548,831,887.42
  5. Step 5: Solve for x
    x = 418,548,831,887.42/652,460.36
  6. Step 6: Final answer
    x = 641,493.12

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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.