Home / 825,392.96-1,238,008.80-264,276.80

Finding the Fourth Proportional to 825,392.96, 1,238,008.80 and 264,276.80

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Solution

The fourth proportional to 825,392.96, 1,238,008.80 and 264,276.80 is: 396,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,392.96 : 1,238,008.80 = 264,276.80 : x
  2. Step 2: Convert to fraction form
    825,392.96/1,238,008.80 = 264,276.80/x
  3. Step 3: Cross multiply
    825,392.96x = 1,238,008.80 × 264,276.80
  4. Step 4: Simplify right side
    825,392.96x = 327,177,004,035.84
  5. Step 5: Solve for x
    x = 327,177,004,035.84/825,392.96
  6. Step 6: Final answer
    x = 396,389.38

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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.