Home / 603,890.37-833,379.05-331,969.73

Finding the Fourth Proportional to 603,890.37, 833,379.05 and 331,969.73

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Solution

The fourth proportional to 603,890.37, 833,379.05 and 331,969.73 is: 458,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,890.37 : 833,379.05 = 331,969.73 : x
  2. Step 2: Convert to fraction form
    603,890.37/833,379.05 = 331,969.73/x
  3. Step 3: Cross multiply
    603,890.37x = 833,379.05 × 331,969.73
  4. Step 4: Simplify right side
    603,890.37x = 276,656,612,389.41
  5. Step 5: Solve for x
    x = 276,656,612,389.41/603,890.37
  6. Step 6: Final answer
    x = 458,123.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.