Home / 740,422.78-1,110,634.19-179,457.28

Finding the Fourth Proportional to 740,422.78, 1,110,634.19 and 179,457.28

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Solution

The fourth proportional to 740,422.78, 1,110,634.19 and 179,457.28 is: 269,185.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,422.78 : 1,110,634.19 = 179,457.28 : x
  2. Step 2: Convert to fraction form
    740,422.78/1,110,634.19 = 179,457.28/x
  3. Step 3: Cross multiply
    740,422.78x = 1,110,634.19 × 179,457.28
  4. Step 4: Simplify right side
    740,422.78x = 199,311,393,722.33
  5. Step 5: Solve for x
    x = 199,311,393,722.33/740,422.78
  6. Step 6: Final answer
    x = 269,185.93

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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.