Home / 622,912.88-859,619.79-336,432.89

Finding the Fourth Proportional to 622,912.88, 859,619.79 and 336,432.89

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Solution

The fourth proportional to 622,912.88, 859,619.79 and 336,432.89 is: 464,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,912.88 : 859,619.79 = 336,432.89 : x
  2. Step 2: Convert to fraction form
    622,912.88/859,619.79 = 336,432.89/x
  3. Step 3: Cross multiply
    622,912.88x = 859,619.79 × 336,432.89
  4. Step 4: Simplify right side
    622,912.88x = 289,204,372,399.94
  5. Step 5: Solve for x
    x = 289,204,372,399.94/622,912.88
  6. Step 6: Final answer
    x = 464,277.40

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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.