Home / 829,028.91-1,244,114.42-289,288.25

Finding the Fourth Proportional to 829,028.91, 1,244,114.42 and 289,288.25

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Solution

The fourth proportional to 829,028.91, 1,244,114.42 and 289,288.25 is: 434,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,028.91 : 1,244,114.42 = 289,288.25 : x
  2. Step 2: Convert to fraction form
    829,028.91/1,244,114.42 = 289,288.25/x
  3. Step 3: Cross multiply
    829,028.91x = 1,244,114.42 × 289,288.25
  4. Step 4: Simplify right side
    829,028.91x = 359,907,683,361.57
  5. Step 5: Solve for x
    x = 359,907,683,361.57/829,028.91
  6. Step 6: Final answer
    x = 434,131.64

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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.