Home / 629,730.40-944,887.20-330,548.80

Finding the Fourth Proportional to 629,730.40, 944,887.20 and 330,548.80

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Solution

The fourth proportional to 629,730.40, 944,887.20 and 330,548.80 is: 495,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,730.40 : 944,887.20 = 330,548.80 : x
  2. Step 2: Convert to fraction form
    629,730.40/944,887.20 = 330,548.80/x
  3. Step 3: Cross multiply
    629,730.40x = 944,887.20 × 330,548.80
  4. Step 4: Simplify right side
    629,730.40x = 312,331,330,095.36
  5. Step 5: Solve for x
    x = 312,331,330,095.36/629,730.40
  6. Step 6: Final answer
    x = 495,976.26

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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.