Home / 789,438.76-1,184,546.94-368,653.48

Finding the Fourth Proportional to 789,438.76, 1,184,546.94 and 368,653.48

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Solution

The fourth proportional to 789,438.76, 1,184,546.94 and 368,653.48 is: 553,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,438.76 : 1,184,546.94 = 368,653.48 : x
  2. Step 2: Convert to fraction form
    789,438.76/1,184,546.94 = 368,653.48/x
  3. Step 3: Cross multiply
    789,438.76x = 1,184,546.94 × 368,653.48
  4. Step 4: Simplify right side
    789,438.76x = 436,687,351,654.35
  5. Step 5: Solve for x
    x = 436,687,351,654.35/789,438.76
  6. Step 6: Final answer
    x = 553,161.78

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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.