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Finding the Fourth Proportional to 652,805.17, 978,420.31 and 337,089.97

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Solution

The fourth proportional to 652,805.17, 978,420.31 and 337,089.97 is: 505,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,805.17 : 978,420.31 = 337,089.97 : x
  2. Step 2: Convert to fraction form
    652,805.17/978,420.31 = 337,089.97/x
  3. Step 3: Cross multiply
    652,805.17x = 978,420.31 × 337,089.97
  4. Step 4: Simplify right side
    652,805.17x = 329,815,672,945.29
  5. Step 5: Solve for x
    x = 329,815,672,945.29/652,805.17
  6. Step 6: Final answer
    x = 505,228.34

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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.