Home / 427,601.30-589,606.90-319,825.94

Finding the Fourth Proportional to 427,601.30, 589,606.90 and 319,825.94

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Solution

The fourth proportional to 427,601.30, 589,606.90 and 319,825.94 is: 440,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,601.30 : 589,606.90 = 319,825.94 : x
  2. Step 2: Convert to fraction form
    427,601.30/589,606.90 = 319,825.94/x
  3. Step 3: Cross multiply
    427,601.30x = 589,606.90 × 319,825.94
  4. Step 4: Simplify right side
    427,601.30x = 188,571,577,275.39
  5. Step 5: Solve for x
    x = 188,571,577,275.39/427,601.30
  6. Step 6: Final answer
    x = 440,998.61

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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.