Home / 863,978.86-1,296,157.74-264,984.94

Finding the Fourth Proportional to 863,978.86, 1,296,157.74 and 264,984.94

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Solution

The fourth proportional to 863,978.86, 1,296,157.74 and 264,984.94 is: 397,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,978.86 : 1,296,157.74 = 264,984.94 : x
  2. Step 2: Convert to fraction form
    863,978.86/1,296,157.74 = 264,984.94/x
  3. Step 3: Cross multiply
    863,978.86x = 1,296,157.74 × 264,984.94
  4. Step 4: Simplify right side
    863,978.86x = 343,462,280,964.44
  5. Step 5: Solve for x
    x = 343,462,280,964.44/863,978.86
  6. Step 6: Final answer
    x = 397,535.51

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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.