Home / 729,409.12-1,093,365.24-280,008.97

Finding the Fourth Proportional to 729,409.12, 1,093,365.24 and 280,008.97

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Solution

The fourth proportional to 729,409.12, 1,093,365.24 and 280,008.97 is: 419,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,409.12 : 1,093,365.24 = 280,008.97 : x
  2. Step 2: Convert to fraction form
    729,409.12/1,093,365.24 = 280,008.97/x
  3. Step 3: Cross multiply
    729,409.12x = 1,093,365.24 × 280,008.97
  4. Step 4: Simplify right side
    729,409.12x = 306,152,074,686.20
  5. Step 5: Solve for x
    x = 306,152,074,686.20/729,409.12
  6. Step 6: Final answer
    x = 419,726.14

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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.