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Finding the Fourth Proportional to 609,343.22, 840,883.35 and 337,405.22

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Solution

The fourth proportional to 609,343.22, 840,883.35 and 337,405.22 is: 465,613.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,343.22 : 840,883.35 = 337,405.22 : x
  2. Step 2: Convert to fraction form
    609,343.22/840,883.35 = 337,405.22/x
  3. Step 3: Cross multiply
    609,343.22x = 840,883.35 × 337,405.22
  4. Step 4: Simplify right side
    609,343.22x = 283,718,431,701.09
  5. Step 5: Solve for x
    x = 283,718,431,701.09/609,343.22
  6. Step 6: Final answer
    x = 465,613.50

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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.