Home / 629,960.42-945,334.15-255,983.30

Finding the Fourth Proportional to 629,960.42, 945,334.15 and 255,983.30

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Solution

The fourth proportional to 629,960.42, 945,334.15 and 255,983.30 is: 384,134.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,960.42 : 945,334.15 = 255,983.30 : x
  2. Step 2: Convert to fraction form
    629,960.42/945,334.15 = 255,983.30/x
  3. Step 3: Cross multiply
    629,960.42x = 945,334.15 × 255,983.30
  4. Step 4: Simplify right side
    629,960.42x = 241,989,755,319.70
  5. Step 5: Solve for x
    x = 241,989,755,319.70/629,960.42
  6. Step 6: Final answer
    x = 384,134.86

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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.