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Finding the Fourth Proportional to 609,740.60, 914,708.10 and 254,571.80

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Solution

The fourth proportional to 609,740.60, 914,708.10 and 254,571.80 is: 381,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,740.60 : 914,708.10 = 254,571.80 : x
  2. Step 2: Convert to fraction form
    609,740.60/914,708.10 = 254,571.80/x
  3. Step 3: Cross multiply
    609,740.60x = 914,708.10 × 254,571.80
  4. Step 4: Simplify right side
    609,740.60x = 232,858,887,491.58
  5. Step 5: Solve for x
    x = 232,858,887,491.58/609,740.60
  6. Step 6: Final answer
    x = 381,898.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.