Home / 828,765.90-1,243,025.82-229,664.60

Finding the Fourth Proportional to 828,765.90, 1,243,025.82 and 229,664.60

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Solution

The fourth proportional to 828,765.90, 1,243,025.82 and 229,664.60 is: 344,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,765.90 : 1,243,025.82 = 229,664.60 : x
  2. Step 2: Convert to fraction form
    828,765.90/1,243,025.82 = 229,664.60/x
  3. Step 3: Cross multiply
    828,765.90x = 1,243,025.82 × 229,664.60
  4. Step 4: Simplify right side
    828,765.90x = 285,479,021,524.84
  5. Step 5: Solve for x
    x = 285,479,021,524.84/828,765.90
  6. Step 6: Final answer
    x = 344,462.80

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1.5x scale

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.