Home / 629,115.40-944,265.66-418,899.88

Finding the Fourth Proportional to 629,115.40, 944,265.66 and 418,899.88

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Solution

The fourth proportional to 629,115.40, 944,265.66 and 418,899.88 is: 628,744.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,115.40 : 944,265.66 = 418,899.88 : x
  2. Step 2: Convert to fraction form
    629,115.40/944,265.66 = 418,899.88/x
  3. Step 3: Cross multiply
    629,115.40x = 944,265.66 × 418,899.88
  4. Step 4: Simplify right side
    629,115.40x = 395,552,771,662.12
  5. Step 5: Solve for x
    x = 395,552,771,662.12/629,115.40
  6. Step 6: Final answer
    x = 628,744.38

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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.