Home / 863,730.69-1,295,785.58-264,736.91

Finding the Fourth Proportional to 863,730.69, 1,295,785.58 and 264,736.91

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Solution

The fourth proportional to 863,730.69, 1,295,785.58 and 264,736.91 is: 397,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,730.69 : 1,295,785.58 = 264,736.91 : x
  2. Step 2: Convert to fraction form
    863,730.69/1,295,785.58 = 264,736.91/x
  3. Step 3: Cross multiply
    863,730.69x = 1,295,785.58 × 264,736.91
  4. Step 4: Simplify right side
    863,730.69x = 343,042,265,843.32
  5. Step 5: Solve for x
    x = 343,042,265,843.32/863,730.69
  6. Step 6: Final answer
    x = 397,163.46

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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.