Home / 829,054.09-1,143,991.78-523,014.49

Finding the Fourth Proportional to 829,054.09, 1,143,991.78 and 523,014.49

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Solution

The fourth proportional to 829,054.09, 1,143,991.78 and 523,014.49 is: 721,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,054.09 : 1,143,991.78 = 523,014.49 : x
  2. Step 2: Convert to fraction form
    829,054.09/1,143,991.78 = 523,014.49/x
  3. Step 3: Cross multiply
    829,054.09x = 1,143,991.78 × 523,014.49
  4. Step 4: Simplify right side
    829,054.09x = 598,324,277,380.89
  5. Step 5: Solve for x
    x = 598,324,277,380.89/829,054.09
  6. Step 6: Final answer
    x = 721,695.10

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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.