Home / 789,428.36-1,183,963.94-362,553.80

Finding the Fourth Proportional to 789,428.36, 1,183,963.94 and 362,553.80

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Solution

The fourth proportional to 789,428.36, 1,183,963.94 and 362,553.80 is: 543,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,428.36 : 1,183,963.94 = 362,553.80 : x
  2. Step 2: Convert to fraction form
    789,428.36/1,183,963.94 = 362,553.80/x
  3. Step 3: Cross multiply
    789,428.36x = 1,183,963.94 × 362,553.80
  4. Step 4: Simplify right side
    789,428.36x = 429,250,620,496.54
  5. Step 5: Solve for x
    x = 429,250,620,496.54/789,428.36
  6. Step 6: Final answer
    x = 543,748.67

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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.