Home / 820,224.54-1,131,936.90-476,034.48

Finding the Fourth Proportional to 820,224.54, 1,131,936.90 and 476,034.48

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Solution

The fourth proportional to 820,224.54, 1,131,936.90 and 476,034.48 is: 656,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,224.54 : 1,131,936.90 = 476,034.48 : x
  2. Step 2: Convert to fraction form
    820,224.54/1,131,936.90 = 476,034.48/x
  3. Step 3: Cross multiply
    820,224.54x = 1,131,936.90 × 476,034.48
  4. Step 4: Simplify right side
    820,224.54x = 538,840,993,584.31
  5. Step 5: Solve for x
    x = 538,840,993,584.31/820,224.54
  6. Step 6: Final answer
    x = 656,943.27

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1.5x scale

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.