Home / 816,624.40-1,224,850.20-255,629.20

Finding the Fourth Proportional to 816,624.40, 1,224,850.20 and 255,629.20

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Solution

The fourth proportional to 816,624.40, 1,224,850.20 and 255,629.20 is: 383,416.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,624.40 : 1,224,850.20 = 255,629.20 : x
  2. Step 2: Convert to fraction form
    816,624.40/1,224,850.20 = 255,629.20/x
  3. Step 3: Cross multiply
    816,624.40x = 1,224,850.20 × 255,629.20
  4. Step 4: Simplify right side
    816,624.40x = 313,107,476,745.84
  5. Step 5: Solve for x
    x = 313,107,476,745.84/816,624.40
  6. Step 6: Final answer
    x = 383,416.75

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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.