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Finding the Fourth Proportional to 629,471.37, 944,486.16 and 329,880.72

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Solution

The fourth proportional to 629,471.37, 944,486.16 and 329,880.72 is: 494,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,471.37 : 944,486.16 = 329,880.72 : x
  2. Step 2: Convert to fraction form
    629,471.37/944,486.16 = 329,880.72/x
  3. Step 3: Cross multiply
    629,471.37x = 944,486.16 × 329,880.72
  4. Step 4: Simplify right side
    629,471.37x = 311,567,774,490.84
  5. Step 5: Solve for x
    x = 311,567,774,490.84/629,471.37
  6. Step 6: Final answer
    x = 494,967.35

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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.