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Finding the Fourth Proportional to 629,907.36, 945,254.70 and 255,930.36

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Solution

The fourth proportional to 629,907.36, 945,254.70 and 255,930.36 is: 384,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,907.36 : 945,254.70 = 255,930.36 : x
  2. Step 2: Convert to fraction form
    629,907.36/945,254.70 = 255,930.36/x
  3. Step 3: Cross multiply
    629,907.36x = 945,254.70 × 255,930.36
  4. Step 4: Simplify right side
    629,907.36x = 241,919,375,662.69
  5. Step 5: Solve for x
    x = 241,919,375,662.69/629,907.36
  6. Step 6: Final answer
    x = 384,055.48

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1.5x scale

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.