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Finding the Fourth Proportional to 609,308.88, 840,816.36 and 337,369.20

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Solution

The fourth proportional to 609,308.88, 840,816.36 and 337,369.20 is: 465,552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,308.88 : 840,816.36 = 337,369.20 : x
  2. Step 2: Convert to fraction form
    609,308.88/840,816.36 = 337,369.20/x
  3. Step 3: Cross multiply
    609,308.88x = 840,816.36 × 337,369.20
  4. Step 4: Simplify right side
    609,308.88x = 283,665,542,720.11
  5. Step 5: Solve for x
    x = 283,665,542,720.11/609,308.88
  6. Step 6: Final answer
    x = 465,552.94

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1.5x scale

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.