Home / 793,548.80-1,189,286.40-319,846.40

Finding the Fourth Proportional to 793,548.80, 1,189,286.40 and 319,846.40

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Solution

The fourth proportional to 793,548.80, 1,189,286.40 and 319,846.40 is: 479,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,548.80 : 1,189,286.40 = 319,846.40 : x
  2. Step 2: Convert to fraction form
    793,548.80/1,189,286.40 = 319,846.40/x
  3. Step 3: Cross multiply
    793,548.80x = 1,189,286.40 × 319,846.40
  4. Step 4: Simplify right side
    793,548.80x = 380,388,973,608.96
  5. Step 5: Solve for x
    x = 380,388,973,608.96/793,548.80
  6. Step 6: Final answer
    x = 479,351.71

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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.