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Finding the Fourth Proportional to 609,357.91, 840,913.38 and 337,425.79

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Solution

The fourth proportional to 609,357.91, 840,913.38 and 337,425.79 is: 465,647.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,357.91 : 840,913.38 = 337,425.79 : x
  2. Step 2: Convert to fraction form
    609,357.91/840,913.38 = 337,425.79/x
  3. Step 3: Cross multiply
    609,357.91x = 840,913.38 × 337,425.79
  4. Step 4: Simplify right side
    609,357.91x = 283,745,855,676.37
  5. Step 5: Solve for x
    x = 283,745,855,676.37/609,357.91
  6. Step 6: Final answer
    x = 465,647.29

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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.