Home / 831,859.34-1,247,664.13-263,166.55

Finding the Fourth Proportional to 831,859.34, 1,247,664.13 and 263,166.55

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Solution

The fourth proportional to 831,859.34, 1,247,664.13 and 263,166.55 is: 394,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,859.34 : 1,247,664.13 = 263,166.55 : x
  2. Step 2: Convert to fraction form
    831,859.34/1,247,664.13 = 263,166.55/x
  3. Step 3: Cross multiply
    831,859.34x = 1,247,664.13 × 263,166.55
  4. Step 4: Simplify right side
    831,859.34x = 328,343,458,698.59
  5. Step 5: Solve for x
    x = 328,343,458,698.59/831,859.34
  6. Step 6: Final answer
    x = 394,710.31

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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.