Home / 946,940.09-1,420,976.07-347,961.80

Finding the Fourth Proportional to 946,940.09, 1,420,976.07 and 347,961.80

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Solution

The fourth proportional to 946,940.09, 1,420,976.07 and 347,961.80 is: 522,150.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,940.09 : 1,420,976.07 = 347,961.80 : x
  2. Step 2: Convert to fraction form
    946,940.09/1,420,976.07 = 347,961.80/x
  3. Step 3: Cross multiply
    946,940.09x = 1,420,976.07 × 347,961.80
  4. Step 4: Simplify right side
    946,940.09x = 494,445,394,626.57
  5. Step 5: Solve for x
    x = 494,445,394,626.57/946,940.09
  6. Step 6: Final answer
    x = 522,150.66

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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.