Home / 744,890.54-1,027,945.05-405,361.22

Finding the Fourth Proportional to 744,890.54, 1,027,945.05 and 405,361.22

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Solution

The fourth proportional to 744,890.54, 1,027,945.05 and 405,361.22 is: 559,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,890.54 : 1,027,945.05 = 405,361.22 : x
  2. Step 2: Convert to fraction form
    744,890.54/1,027,945.05 = 405,361.22/x
  3. Step 3: Cross multiply
    744,890.54x = 1,027,945.05 × 405,361.22
  4. Step 4: Simplify right side
    744,890.54x = 416,689,058,004.50
  5. Step 5: Solve for x
    x = 416,689,058,004.50/744,890.54
  6. Step 6: Final answer
    x = 559,396.36

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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.