Home / 629,646.40-944,748.78-330,055.48

Finding the Fourth Proportional to 629,646.40, 944,748.78 and 330,055.48

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Solution

The fourth proportional to 629,646.40, 944,748.78 and 330,055.48 is: 495,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,646.40 : 944,748.78 = 330,055.48 : x
  2. Step 2: Convert to fraction form
    629,646.40/944,748.78 = 330,055.48/x
  3. Step 3: Cross multiply
    629,646.40x = 944,748.78 × 330,055.48
  4. Step 4: Simplify right side
    629,646.40x = 311,819,512,062.31
  5. Step 5: Solve for x
    x = 311,819,512,062.31/629,646.40
  6. Step 6: Final answer
    x = 495,229.56

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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.