Home / 629,429.10-944,422.70-329,838.45

Finding the Fourth Proportional to 629,429.10, 944,422.70 and 329,838.45

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Solution

The fourth proportional to 629,429.10, 944,422.70 and 329,838.45 is: 494,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,429.10 : 944,422.70 = 329,838.45 : x
  2. Step 2: Convert to fraction form
    629,429.10/944,422.70 = 329,838.45/x
  3. Step 3: Cross multiply
    629,429.10x = 944,422.70 × 329,838.45
  4. Step 4: Simplify right side
    629,429.10x = 311,506,917,863.62
  5. Step 5: Solve for x
    x = 311,506,917,863.62/629,429.10
  6. Step 6: Final answer
    x = 494,903.90

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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.