Home / 722,578.78-1,084,110.15-236,283.35

Finding the Fourth Proportional to 722,578.78, 1,084,110.15 and 236,283.35

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Solution

The fourth proportional to 722,578.78, 1,084,110.15 and 236,283.35 is: 354,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,578.78 : 1,084,110.15 = 236,283.35 : x
  2. Step 2: Convert to fraction form
    722,578.78/1,084,110.15 = 236,283.35/x
  3. Step 3: Cross multiply
    722,578.78x = 1,084,110.15 × 236,283.35
  4. Step 4: Simplify right side
    722,578.78x = 256,157,179,340.06
  5. Step 5: Solve for x
    x = 256,157,179,340.06/722,578.78
  6. Step 6: Final answer
    x = 354,504.15

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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.