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Finding the Fourth Proportional to 660,150.44, 911,029.31 and 373,664.37

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Solution

The fourth proportional to 660,150.44, 911,029.31 and 373,664.37 is: 515,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,150.44 : 911,029.31 = 373,664.37 : x
  2. Step 2: Convert to fraction form
    660,150.44/911,029.31 = 373,664.37/x
  3. Step 3: Cross multiply
    660,150.44x = 911,029.31 × 373,664.37
  4. Step 4: Simplify right side
    660,150.44x = 340,419,191,304.36
  5. Step 5: Solve for x
    x = 340,419,191,304.36/660,150.44
  6. Step 6: Final answer
    x = 515,669.12

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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.