Home / 756,543.50-1,134,520.00-330,209.72

Finding the Fourth Proportional to 756,543.50, 1,134,520.00 and 330,209.72

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Solution

The fourth proportional to 756,543.50, 1,134,520.00 and 330,209.72 is: 495,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,543.50 : 1,134,520.00 = 330,209.72 : x
  2. Step 2: Convert to fraction form
    756,543.50/1,134,520.00 = 330,209.72/x
  3. Step 3: Cross multiply
    756,543.50x = 1,134,520.00 × 330,209.72
  4. Step 4: Simplify right side
    756,543.50x = 374,629,524,210.75
  5. Step 5: Solve for x
    x = 374,629,524,210.75/756,543.50
  6. Step 6: Final answer
    x = 495,185.71

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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.