Home / 719,930.05-1,079,698.25-270,616.37

Finding the Fourth Proportional to 719,930.05, 1,079,698.25 and 270,616.37

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Solution

The fourth proportional to 719,930.05, 1,079,698.25 and 270,616.37 is: 405,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,930.05 : 1,079,698.25 = 270,616.37 : x
  2. Step 2: Convert to fraction form
    719,930.05/1,079,698.25 = 270,616.37/x
  3. Step 3: Cross multiply
    719,930.05x = 1,079,698.25 × 270,616.37
  4. Step 4: Simplify right side
    719,930.05x = 292,184,021,700.60
  5. Step 5: Solve for x
    x = 292,184,021,700.60/719,930.05
  6. Step 6: Final answer
    x = 405,850.57

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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.