Home / 899,605.98-1,349,783.79-394,529.43

Finding the Fourth Proportional to 899,605.98, 1,349,783.79 and 394,529.43

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Solution

The fourth proportional to 899,605.98, 1,349,783.79 and 394,529.43 is: 591,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,605.98 : 1,349,783.79 = 394,529.43 : x
  2. Step 2: Convert to fraction form
    899,605.98/1,349,783.79 = 394,529.43/x
  3. Step 3: Cross multiply
    899,605.98x = 1,349,783.79 × 394,529.43
  4. Step 4: Simplify right side
    899,605.98x = 532,529,429,291.94
  5. Step 5: Solve for x
    x = 532,529,429,291.94/899,605.98
  6. Step 6: Final answer
    x = 591,958.53

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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.