Home / 719,942.52-1,079,913.78-276,399.48

Finding the Fourth Proportional to 719,942.52, 1,079,913.78 and 276,399.48

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Solution

The fourth proportional to 719,942.52, 1,079,913.78 and 276,399.48 is: 414,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,942.52 : 1,079,913.78 = 276,399.48 : x
  2. Step 2: Convert to fraction form
    719,942.52/1,079,913.78 = 276,399.48/x
  3. Step 3: Cross multiply
    719,942.52x = 1,079,913.78 × 276,399.48
  4. Step 4: Simplify right side
    719,942.52x = 298,487,607,236.83
  5. Step 5: Solve for x
    x = 298,487,607,236.83/719,942.52
  6. Step 6: Final answer
    x = 414,599.22

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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.