Home / 855,584.88-1,283,669.04-323,259.36

Finding the Fourth Proportional to 855,584.88, 1,283,669.04 and 323,259.36

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Solution

The fourth proportional to 855,584.88, 1,283,669.04 and 323,259.36 is: 484,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,584.88 : 1,283,669.04 = 323,259.36 : x
  2. Step 2: Convert to fraction form
    855,584.88/1,283,669.04 = 323,259.36/x
  3. Step 3: Cross multiply
    855,584.88x = 1,283,669.04 × 323,259.36
  4. Step 4: Simplify right side
    855,584.88x = 414,958,032,322.21
  5. Step 5: Solve for x
    x = 414,958,032,322.21/855,584.88
  6. Step 6: Final answer
    x = 484,999.26

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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.