Home / 921,885.30-1,383,605.55-448,974.90

Finding the Fourth Proportional to 921,885.30, 1,383,605.55 and 448,974.90

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Solution

The fourth proportional to 921,885.30, 1,383,605.55 and 448,974.90 is: 673,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,885.30 : 1,383,605.55 = 448,974.90 : x
  2. Step 2: Convert to fraction form
    921,885.30/1,383,605.55 = 448,974.90/x
  3. Step 3: Cross multiply
    921,885.30x = 1,383,605.55 × 448,974.90
  4. Step 4: Simplify right side
    921,885.30x = 621,204,163,450.70
  5. Step 5: Solve for x
    x = 621,204,163,450.70/921,885.30
  6. Step 6: Final answer
    x = 673,841.06

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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.