Home / 722,729.25-1,084,160.70-190,253.07

Finding the Fourth Proportional to 722,729.25, 1,084,160.70 and 190,253.07

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Solution

The fourth proportional to 722,729.25, 1,084,160.70 and 190,253.07 is: 285,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,729.25 : 1,084,160.70 = 190,253.07 : x
  2. Step 2: Convert to fraction form
    722,729.25/1,084,160.70 = 190,253.07/x
  3. Step 3: Cross multiply
    722,729.25x = 1,084,160.70 × 190,253.07
  4. Step 4: Simplify right side
    722,729.25x = 206,264,901,548.35
  5. Step 5: Solve for x
    x = 206,264,901,548.35/722,729.25
  6. Step 6: Final answer
    x = 285,397.20

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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.