Home / 789,319.92-1,184,645.33-309,884.43

Finding the Fourth Proportional to 789,319.92, 1,184,645.33 and 309,884.43

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Solution

The fourth proportional to 789,319.92, 1,184,645.33 and 309,884.43 is: 465,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,319.92 : 1,184,645.33 = 309,884.43 : x
  2. Step 2: Convert to fraction form
    789,319.92/1,184,645.33 = 309,884.43/x
  3. Step 3: Cross multiply
    789,319.92x = 1,184,645.33 × 309,884.43
  4. Step 4: Simplify right side
    789,319.92x = 367,103,141,289.79
  5. Step 5: Solve for x
    x = 367,103,141,289.79/789,319.92
  6. Step 6: Final answer
    x = 465,087.90

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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.