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Finding the Fourth Proportional to 629,903.36, 945,248.70 and 255,926.36

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Solution

The fourth proportional to 629,903.36, 945,248.70 and 255,926.36 is: 384,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,903.36 : 945,248.70 = 255,926.36 : x
  2. Step 2: Convert to fraction form
    629,903.36/945,248.70 = 255,926.36/x
  3. Step 3: Cross multiply
    629,903.36x = 945,248.70 × 255,926.36
  4. Step 4: Simplify right side
    629,903.36x = 241,914,059,085.73
  5. Step 5: Solve for x
    x = 241,914,059,085.73/629,903.36
  6. Step 6: Final answer
    x = 384,049.48

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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.