Home / 863,450.07-1,295,178.34-264,408.90

Finding the Fourth Proportional to 863,450.07, 1,295,178.34 and 264,408.90

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Solution

The fourth proportional to 863,450.07, 1,295,178.34 and 264,408.90 is: 396,614.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,450.07 : 1,295,178.34 = 264,408.90 : x
  2. Step 2: Convert to fraction form
    863,450.07/1,295,178.34 = 264,408.90/x
  3. Step 3: Cross multiply
    863,450.07x = 1,295,178.34 × 264,408.90
  4. Step 4: Simplify right side
    863,450.07x = 342,456,680,183.23
  5. Step 5: Solve for x
    x = 342,456,680,183.23/863,450.07
  6. Step 6: Final answer
    x = 396,614.34

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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.