Home / 622,819.98-859,491.56-336,340.04

Finding the Fourth Proportional to 622,819.98, 859,491.56 and 336,340.04

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Solution

The fourth proportional to 622,819.98, 859,491.56 and 336,340.04 is: 464,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,819.98 : 859,491.56 = 336,340.04 : x
  2. Step 2: Convert to fraction form
    622,819.98/859,491.56 = 336,340.04/x
  3. Step 3: Cross multiply
    622,819.98x = 859,491.56 × 336,340.04
  4. Step 4: Simplify right side
    622,819.98x = 289,081,425,670.06
  5. Step 5: Solve for x
    x = 289,081,425,670.06/622,819.98
  6. Step 6: Final answer
    x = 464,149.25

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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.