Home / 855,862.52-1,284,033.69-343,887.17

Finding the Fourth Proportional to 855,862.52, 1,284,033.69 and 343,887.17

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Solution

The fourth proportional to 855,862.52, 1,284,033.69 and 343,887.17 is: 515,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,862.52 : 1,284,033.69 = 343,887.17 : x
  2. Step 2: Convert to fraction form
    855,862.52/1,284,033.69 = 343,887.17/x
  3. Step 3: Cross multiply
    855,862.52x = 1,284,033.69 × 343,887.17
  4. Step 4: Simplify right side
    855,862.52x = 441,562,705,418.59
  5. Step 5: Solve for x
    x = 441,562,705,418.59/855,862.52
  6. Step 6: Final answer
    x = 515,927.15

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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.