Home / 916,945.73-1,373,791.40-383,290.37

Finding the Fourth Proportional to 916,945.73, 1,373,791.40 and 383,290.37

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Solution

The fourth proportional to 916,945.73, 1,373,791.40 and 383,290.37 is: 574,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,945.73 : 1,373,791.40 = 383,290.37 : x
  2. Step 2: Convert to fraction form
    916,945.73/1,373,791.40 = 383,290.37/x
  3. Step 3: Cross multiply
    916,945.73x = 1,373,791.40 × 383,290.37
  4. Step 4: Simplify right side
    916,945.73x = 526,561,012,092.37
  5. Step 5: Solve for x
    x = 526,561,012,092.37/916,945.73
  6. Step 6: Final answer
    x = 574,255.37

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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.