Home / 392,923.15-589,388.84-314,535.67

Finding the Fourth Proportional to 392,923.15, 589,388.84 and 314,535.67

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Solution

The fourth proportional to 392,923.15, 589,388.84 and 314,535.67 is: 471,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,923.15 : 589,388.84 = 314,535.67 : x
  2. Step 2: Convert to fraction form
    392,923.15/589,388.84 = 314,535.67/x
  3. Step 3: Cross multiply
    392,923.15x = 589,388.84 × 314,535.67
  4. Step 4: Simplify right side
    392,923.15x = 185,383,809,160.30
  5. Step 5: Solve for x
    x = 185,383,809,160.30/392,923.15
  6. Step 6: Final answer
    x = 471,806.79

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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.