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Finding the Fourth Proportional to 629,653.90, 944,760.03 and 330,062.98

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Solution

The fourth proportional to 629,653.90, 944,760.03 and 330,062.98 is: 495,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,653.90 : 944,760.03 = 330,062.98 : x
  2. Step 2: Convert to fraction form
    629,653.90/944,760.03 = 330,062.98/x
  3. Step 3: Cross multiply
    629,653.90x = 944,760.03 × 330,062.98
  4. Step 4: Simplify right side
    629,653.90x = 311,830,310,886.69
  5. Step 5: Solve for x
    x = 311,830,310,886.69/629,653.90
  6. Step 6: Final answer
    x = 495,240.82

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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.