Home / 787,846.37-1,087,213.21-481,900.27

Finding the Fourth Proportional to 787,846.37, 1,087,213.21 and 481,900.27

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Solution

The fourth proportional to 787,846.37, 1,087,213.21 and 481,900.27 is: 665,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,846.37 : 1,087,213.21 = 481,900.27 : x
  2. Step 2: Convert to fraction form
    787,846.37/1,087,213.21 = 481,900.27/x
  3. Step 3: Cross multiply
    787,846.37x = 1,087,213.21 × 481,900.27
  4. Step 4: Simplify right side
    787,846.37x = 523,928,339,446.57
  5. Step 5: Solve for x
    x = 523,928,339,446.57/787,846.37
  6. Step 6: Final answer
    x = 665,013.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.