Home / 741,253-1,022,932.80-401,721.25

Finding the Fourth Proportional to 741,253, 1,022,932.80 and 401,721.25

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Solution

The fourth proportional to 741,253, 1,022,932.80 and 401,721.25 is: 554,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,253 : 1,022,932.80 = 401,721.25 : x
  2. Step 2: Convert to fraction form
    741,253/1,022,932.80 = 401,721.25/x
  3. Step 3: Cross multiply
    741,253x = 1,022,932.80 × 401,721.25
  4. Step 4: Simplify right side
    741,253x = 410,933,843,082
  5. Step 5: Solve for x
    x = 410,933,843,082/741,253
  6. Step 6: Final answer
    x = 554,377.31

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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.