Home / 824,140.37-1,236,243.47-255,580.52

Finding the Fourth Proportional to 824,140.37, 1,236,243.47 and 255,580.52

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Solution

The fourth proportional to 824,140.37, 1,236,243.47 and 255,580.52 is: 383,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,140.37 : 1,236,243.47 = 255,580.52 : x
  2. Step 2: Convert to fraction form
    824,140.37/1,236,243.47 = 255,580.52/x
  3. Step 3: Cross multiply
    824,140.37x = 1,236,243.47 × 255,580.52
  4. Step 4: Simplify right side
    824,140.37x = 315,959,741,450.09
  5. Step 5: Solve for x
    x = 315,959,741,450.09/824,140.37
  6. Step 6: Final answer
    x = 383,380.98

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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.