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Finding the Fourth Proportional to 609,348.33, 840,890.39 and 337,410.39

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Solution

The fourth proportional to 609,348.33, 840,890.39 and 337,410.39 is: 465,620.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,348.33 : 840,890.39 = 337,410.39 : x
  2. Step 2: Convert to fraction form
    609,348.33/840,890.39 = 337,410.39/x
  3. Step 3: Cross multiply
    609,348.33x = 840,890.39 × 337,410.39
  4. Step 4: Simplify right side
    609,348.33x = 283,725,149,389.17
  5. Step 5: Solve for x
    x = 283,725,149,389.17/609,348.33
  6. Step 6: Final answer
    x = 465,620.62

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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.