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Finding the Fourth Proportional to 609,102.39, 914,551.74 and 339,756.77

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Solution

The fourth proportional to 609,102.39, 914,551.74 and 339,756.77 is: 510,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,102.39 : 914,551.74 = 339,756.77 : x
  2. Step 2: Convert to fraction form
    609,102.39/914,551.74 = 339,756.77/x
  3. Step 3: Cross multiply
    609,102.39x = 914,551.74 × 339,756.77
  4. Step 4: Simplify right side
    609,102.39x = 310,725,147,466.66
  5. Step 5: Solve for x
    x = 310,725,147,466.66/609,102.39
  6. Step 6: Final answer
    x = 510,136.15

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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.