Home / 831,821.46-1,247,953.24-263,212.66

Finding the Fourth Proportional to 831,821.46, 1,247,953.24 and 263,212.66

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Solution

The fourth proportional to 831,821.46, 1,247,953.24 and 263,212.66 is: 394,888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,821.46 : 1,247,953.24 = 263,212.66 : x
  2. Step 2: Convert to fraction form
    831,821.46/1,247,953.24 = 263,212.66/x
  3. Step 3: Cross multiply
    831,821.46x = 1,247,953.24 × 263,212.66
  4. Step 4: Simplify right side
    831,821.46x = 328,477,091,856.02
  5. Step 5: Solve for x
    x = 328,477,091,856.02/831,821.46
  6. Step 6: Final answer
    x = 394,888.94

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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.