Home / 804,439.44-1,205,570.52-305,531.28

Finding the Fourth Proportional to 804,439.44, 1,205,570.52 and 305,531.28

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Solution

The fourth proportional to 804,439.44, 1,205,570.52 and 305,531.28 is: 457,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,439.44 : 1,205,570.52 = 305,531.28 : x
  2. Step 2: Convert to fraction form
    804,439.44/1,205,570.52 = 305,531.28/x
  3. Step 3: Cross multiply
    804,439.44x = 1,205,570.52 × 305,531.28
  4. Step 4: Simplify right side
    804,439.44x = 368,339,504,105.87
  5. Step 5: Solve for x
    x = 368,339,504,105.87/804,439.44
  6. Step 6: Final answer
    x = 457,883.45

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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.