Home / 789,212.04-1,183,828.98-256,735.86

Finding the Fourth Proportional to 789,212.04, 1,183,828.98 and 256,735.86

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Solution

The fourth proportional to 789,212.04, 1,183,828.98 and 256,735.86 is: 385,107.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,212.04 : 1,183,828.98 = 256,735.86 : x
  2. Step 2: Convert to fraction form
    789,212.04/1,183,828.98 = 256,735.86/x
  3. Step 3: Cross multiply
    789,212.04x = 1,183,828.98 × 256,735.86
  4. Step 4: Simplify right side
    789,212.04x = 303,931,351,273.22
  5. Step 5: Solve for x
    x = 303,931,351,273.22/789,212.04
  6. Step 6: Final answer
    x = 385,107.34

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1.5x scale

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.