Home / 792,015.96-1,187,747.46-318,578.52

Finding the Fourth Proportional to 792,015.96, 1,187,747.46 and 318,578.52

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Solution

The fourth proportional to 792,015.96, 1,187,747.46 and 318,578.52 is: 477,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,015.96 : 1,187,747.46 = 318,578.52 : x
  2. Step 2: Convert to fraction form
    792,015.96/1,187,747.46 = 318,578.52/x
  3. Step 3: Cross multiply
    792,015.96x = 1,187,747.46 × 318,578.52
  4. Step 4: Simplify right side
    792,015.96x = 378,390,827,940.56
  5. Step 5: Solve for x
    x = 378,390,827,940.56/792,015.96
  6. Step 6: Final answer
    x = 477,756.57

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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.