Home / 831,600.45-1,247,554.58-263,124.68

Finding the Fourth Proportional to 831,600.45, 1,247,554.58 and 263,124.68

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Solution

The fourth proportional to 831,600.45, 1,247,554.58 and 263,124.68 is: 394,735.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,600.45 : 1,247,554.58 = 263,124.68 : x
  2. Step 2: Convert to fraction form
    831,600.45/1,247,554.58 = 263,124.68/x
  3. Step 3: Cross multiply
    831,600.45x = 1,247,554.58 × 263,124.68
  4. Step 4: Simplify right side
    831,600.45x = 328,262,392,091.64
  5. Step 5: Solve for x
    x = 328,262,392,091.64/831,600.45
  6. Step 6: Final answer
    x = 394,735.71

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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.