Home / 601,743.56-902,382.06-321,107.72

Finding the Fourth Proportional to 601,743.56, 902,382.06 and 321,107.72

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Solution

The fourth proportional to 601,743.56, 902,382.06 and 321,107.72 is: 481,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,743.56 : 902,382.06 = 321,107.72 : x
  2. Step 2: Convert to fraction form
    601,743.56/902,382.06 = 321,107.72/x
  3. Step 3: Cross multiply
    601,743.56x = 902,382.06 × 321,107.72
  4. Step 4: Simplify right side
    601,743.56x = 289,761,845,855.50
  5. Step 5: Solve for x
    x = 289,761,845,855.50/601,743.56
  6. Step 6: Final answer
    x = 481,537.10

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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.