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Finding the Fourth Proportional to 609,342.75, 840,882.66 and 337,404.79

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Solution

The fourth proportional to 609,342.75, 840,882.66 and 337,404.79 is: 465,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,342.75 : 840,882.66 = 337,404.79 : x
  2. Step 2: Convert to fraction form
    609,342.75/840,882.66 = 337,404.79/x
  3. Step 3: Cross multiply
    609,342.75x = 840,882.66 × 337,404.79
  4. Step 4: Simplify right side
    609,342.75x = 283,717,837,311.94
  5. Step 5: Solve for x
    x = 283,717,837,311.94/609,342.75
  6. Step 6: Final answer
    x = 465,612.89

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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.