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Finding the Fourth Proportional to 609,903.86, 841,672.27 and 337,976.30

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Solution

The fourth proportional to 609,903.86, 841,672.27 and 337,976.30 is: 466,410.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,903.86 : 841,672.27 = 337,976.30 : x
  2. Step 2: Convert to fraction form
    609,903.86/841,672.27 = 337,976.30/x
  3. Step 3: Cross multiply
    609,903.86x = 841,672.27 × 337,976.30
  4. Step 4: Simplify right side
    609,903.86x = 284,465,279,627.20
  5. Step 5: Solve for x
    x = 284,465,279,627.20/609,903.86
  6. Step 6: Final answer
    x = 466,410.03

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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.