Home / 685,218.69-1,027,896.48-235,880.10

Finding the Fourth Proportional to 685,218.69, 1,027,896.48 and 235,880.10

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Solution

The fourth proportional to 685,218.69, 1,027,896.48 and 235,880.10 is: 353,843.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,218.69 : 1,027,896.48 = 235,880.10 : x
  2. Step 2: Convert to fraction form
    685,218.69/1,027,896.48 = 235,880.10/x
  3. Step 3: Cross multiply
    685,218.69x = 1,027,896.48 × 235,880.10
  4. Step 4: Simplify right side
    685,218.69x = 242,460,324,492.05
  5. Step 5: Solve for x
    x = 242,460,324,492.05/685,218.69
  6. Step 6: Final answer
    x = 353,843.71

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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.