Home / 988,791.57-1,364,542.88-580,910.40

Finding the Fourth Proportional to 988,791.57, 1,364,542.88 and 580,910.40

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Solution

The fourth proportional to 988,791.57, 1,364,542.88 and 580,910.40 is: 801,662.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,791.57 : 1,364,542.88 = 580,910.40 : x
  2. Step 2: Convert to fraction form
    988,791.57/1,364,542.88 = 580,910.40/x
  3. Step 3: Cross multiply
    988,791.57x = 1,364,542.88 × 580,910.40
  4. Step 4: Simplify right side
    988,791.57x = 792,677,147,333.40
  5. Step 5: Solve for x
    x = 792,677,147,333.40/988,791.57
  6. Step 6: Final answer
    x = 801,662.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.