Home / 601,849.82-902,862.22-321,213.98

Finding the Fourth Proportional to 601,849.82, 902,862.22 and 321,213.98

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Solution

The fourth proportional to 601,849.82, 902,862.22 and 321,213.98 is: 481,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,849.82 : 902,862.22 = 321,213.98 : x
  2. Step 2: Convert to fraction form
    601,849.82/902,862.22 = 321,213.98/x
  3. Step 3: Cross multiply
    601,849.82x = 902,862.22 × 321,213.98
  4. Step 4: Simplify right side
    601,849.82x = 290,011,967,077.84
  5. Step 5: Solve for x
    x = 290,011,967,077.84/601,849.82
  6. Step 6: Final answer
    x = 481,867.66

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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.