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Finding the Fourth Proportional to 450,519.88, 677,400.06 and 415,410.34

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Solution

The fourth proportional to 450,519.88, 677,400.06 and 415,410.34 is: 624,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,519.88 : 677,400.06 = 415,410.34 : x
  2. Step 2: Convert to fraction form
    450,519.88/677,400.06 = 415,410.34/x
  3. Step 3: Cross multiply
    450,519.88x = 677,400.06 × 415,410.34
  4. Step 4: Simplify right side
    450,519.88x = 281,398,989,240.62
  5. Step 5: Solve for x
    x = 281,398,989,240.62/450,519.88
  6. Step 6: Final answer
    x = 624,609.48

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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.