Home / 682,717.60-1,024,076.40-256,252.60

Finding the Fourth Proportional to 682,717.60, 1,024,076.40 and 256,252.60

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Solution

The fourth proportional to 682,717.60, 1,024,076.40 and 256,252.60 is: 384,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,717.60 : 1,024,076.40 = 256,252.60 : x
  2. Step 2: Convert to fraction form
    682,717.60/1,024,076.40 = 256,252.60/x
  3. Step 3: Cross multiply
    682,717.60x = 1,024,076.40 × 256,252.60
  4. Step 4: Simplify right side
    682,717.60x = 262,422,240,098.64
  5. Step 5: Solve for x
    x = 262,422,240,098.64/682,717.60
  6. Step 6: Final answer
    x = 384,378.90

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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.