Home / 936,163.89-1,291,942.80-548,925.48

Finding the Fourth Proportional to 936,163.89, 1,291,942.80 and 548,925.48

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Solution

The fourth proportional to 936,163.89, 1,291,942.80 and 548,925.48 is: 757,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,163.89 : 1,291,942.80 = 548,925.48 : x
  2. Step 2: Convert to fraction form
    936,163.89/1,291,942.80 = 548,925.48/x
  3. Step 3: Cross multiply
    936,163.89x = 1,291,942.80 × 548,925.48
  4. Step 4: Simplify right side
    936,163.89x = 709,180,321,622.54
  5. Step 5: Solve for x
    x = 709,180,321,622.54/936,163.89
  6. Step 6: Final answer
    x = 757,538.64

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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.