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Finding the Fourth Proportional to 609,152.34, 840,620.16 and 337,214.64

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Solution

The fourth proportional to 609,152.34, 840,620.16 and 337,214.64 is: 465,350.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,152.34 : 840,620.16 = 337,214.64 : x
  2. Step 2: Convert to fraction form
    609,152.34/840,620.16 = 337,214.64/x
  3. Step 3: Cross multiply
    609,152.34x = 840,620.16 × 337,214.64
  4. Step 4: Simplify right side
    609,152.34x = 283,469,424,631.14
  5. Step 5: Solve for x
    x = 283,469,424,631.14/609,152.34
  6. Step 6: Final answer
    x = 465,350.63

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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.