Home / 741,448.81-1,023,243.51-419,188.96

Finding the Fourth Proportional to 741,448.81, 1,023,243.51 and 419,188.96

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Solution

The fourth proportional to 741,448.81, 1,023,243.51 and 419,188.96 is: 578,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,448.81 : 1,023,243.51 = 419,188.96 : x
  2. Step 2: Convert to fraction form
    741,448.81/1,023,243.51 = 419,188.96/x
  3. Step 3: Cross multiply
    741,448.81x = 1,023,243.51 × 419,188.96
  4. Step 4: Simplify right side
    741,448.81x = 428,932,382,783.65
  5. Step 5: Solve for x
    x = 428,932,382,783.65/741,448.81
  6. Step 6: Final answer
    x = 578,505.73

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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.