Home / 741,273-1,111,936.23-208,840.56

Finding the Fourth Proportional to 741,273, 1,111,936.23 and 208,840.56

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Solution

The fourth proportional to 741,273, 1,111,936.23 and 208,840.56 is: 313,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,273 : 1,111,936.23 = 208,840.56 : x
  2. Step 2: Convert to fraction form
    741,273/1,111,936.23 = 208,840.56/x
  3. Step 3: Cross multiply
    741,273x = 1,111,936.23 × 208,840.56
  4. Step 4: Simplify right side
    741,273x = 232,217,384,957.49
  5. Step 5: Solve for x
    x = 232,217,384,957.49/741,273
  6. Step 6: Final answer
    x = 313,268.37

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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.