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Finding the Fourth Proportional to 609,003.36, 840,426.30 and 337,090.01

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Solution

The fourth proportional to 609,003.36, 840,426.30 and 337,090.01 is: 465,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,003.36 : 840,426.30 = 337,090.01 : x
  2. Step 2: Convert to fraction form
    609,003.36/840,426.30 = 337,090.01/x
  3. Step 3: Cross multiply
    609,003.36x = 840,426.30 × 337,090.01
  4. Step 4: Simplify right side
    609,003.36x = 283,299,305,669.13
  5. Step 5: Solve for x
    x = 283,299,305,669.13/609,003.36
  6. Step 6: Final answer
    x = 465,185.13

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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.