Home / 419,974.59-630,257.14-379,821.27

Finding the Fourth Proportional to 419,974.59, 630,257.14 and 379,821.27

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Solution

The fourth proportional to 419,974.59, 630,257.14 and 379,821.27 is: 569,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,974.59 : 630,257.14 = 379,821.27 : x
  2. Step 2: Convert to fraction form
    419,974.59/630,257.14 = 379,821.27/x
  3. Step 3: Cross multiply
    419,974.59x = 630,257.14 × 379,821.27
  4. Step 4: Simplify right side
    419,974.59x = 239,385,067,341.37
  5. Step 5: Solve for x
    x = 239,385,067,341.37/419,974.59
  6. Step 6: Final answer
    x = 569,998.93

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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.