Home / 756,546.50-1,134,524.49-330,212.72

Finding the Fourth Proportional to 756,546.50, 1,134,524.49 and 330,212.72

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Solution

The fourth proportional to 756,546.50, 1,134,524.49 and 330,212.72 is: 495,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,546.50 : 1,134,524.49 = 330,212.72 : x
  2. Step 2: Convert to fraction form
    756,546.50/1,134,524.49 = 330,212.72/x
  3. Step 3: Cross multiply
    756,546.50x = 1,134,524.49 × 330,212.72
  4. Step 4: Simplify right side
    756,546.50x = 374,634,417,749.51
  5. Step 5: Solve for x
    x = 374,634,417,749.51/756,546.50
  6. Step 6: Final answer
    x = 495,190.21

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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.