Home / 729,974.40-1,095,166.40-356,009.60

Finding the Fourth Proportional to 729,974.40, 1,095,166.40 and 356,009.60

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Solution

The fourth proportional to 729,974.40, 1,095,166.40 and 356,009.60 is: 534,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,974.40 : 1,095,166.40 = 356,009.60 : x
  2. Step 2: Convert to fraction form
    729,974.40/1,095,166.40 = 356,009.60/x
  3. Step 3: Cross multiply
    729,974.40x = 1,095,166.40 × 356,009.60
  4. Step 4: Simplify right side
    729,974.40x = 389,889,751,997.44
  5. Step 5: Solve for x
    x = 389,889,751,997.44/729,974.40
  6. Step 6: Final answer
    x = 534,114.28

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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.