Home / 685,269.59-1,027,313.69-330,532.92

Finding the Fourth Proportional to 685,269.59, 1,027,313.69 and 330,532.92

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Solution

The fourth proportional to 685,269.59, 1,027,313.69 and 330,532.92 is: 495,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,269.59 : 1,027,313.69 = 330,532.92 : x
  2. Step 2: Convert to fraction form
    685,269.59/1,027,313.69 = 330,532.92/x
  3. Step 3: Cross multiply
    685,269.59x = 1,027,313.69 × 330,532.92
  4. Step 4: Simplify right side
    685,269.59x = 339,560,992,059.01
  5. Step 5: Solve for x
    x = 339,560,992,059.01/685,269.59
  6. Step 6: Final answer
    x = 495,514.47

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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.