Home / 789,983.44-1,184,969.52-316,661.92

Finding the Fourth Proportional to 789,983.44, 1,184,969.52 and 316,661.92

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Solution

The fourth proportional to 789,983.44, 1,184,969.52 and 316,661.92 is: 474,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,983.44 : 1,184,969.52 = 316,661.92 : x
  2. Step 2: Convert to fraction form
    789,983.44/1,184,969.52 = 316,661.92/x
  3. Step 3: Cross multiply
    789,983.44x = 1,184,969.52 × 316,661.92
  4. Step 4: Simplify right side
    789,983.44x = 375,234,723,344.68
  5. Step 5: Solve for x
    x = 375,234,723,344.68/789,983.44
  6. Step 6: Final answer
    x = 474,990.62

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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.