Home / 722,896.56-1,085,018.04-368,177.40

Finding the Fourth Proportional to 722,896.56, 1,085,018.04 and 368,177.40

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Solution

The fourth proportional to 722,896.56, 1,085,018.04 and 368,177.40 is: 552,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,896.56 : 1,085,018.04 = 368,177.40 : x
  2. Step 2: Convert to fraction form
    722,896.56/1,085,018.04 = 368,177.40/x
  3. Step 3: Cross multiply
    722,896.56x = 1,085,018.04 × 368,177.40
  4. Step 4: Simplify right side
    722,896.56x = 399,479,120,920.30
  5. Step 5: Solve for x
    x = 399,479,120,920.30/722,896.56
  6. Step 6: Final answer
    x = 552,608.97

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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.