Home / 682,743.44-942,035.16-396,097.52

Finding the Fourth Proportional to 682,743.44, 942,035.16 and 396,097.52

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Solution

The fourth proportional to 682,743.44, 942,035.16 and 396,097.52 is: 546,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,743.44 : 942,035.16 = 396,097.52 : x
  2. Step 2: Convert to fraction form
    682,743.44/942,035.16 = 396,097.52/x
  3. Step 3: Cross multiply
    682,743.44x = 942,035.16 × 396,097.52
  4. Step 4: Simplify right side
    682,743.44x = 373,137,790,628.80
  5. Step 5: Solve for x
    x = 373,137,790,628.80/682,743.44
  6. Step 6: Final answer
    x = 546,527.10

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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.