Home / 756,044.80-1,134,067.20-336,140.80

Finding the Fourth Proportional to 756,044.80, 1,134,067.20 and 336,140.80

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Solution

The fourth proportional to 756,044.80, 1,134,067.20 and 336,140.80 is: 504,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,044.80 : 1,134,067.20 = 336,140.80 : x
  2. Step 2: Convert to fraction form
    756,044.80/1,134,067.20 = 336,140.80/x
  3. Step 3: Cross multiply
    756,044.80x = 1,134,067.20 × 336,140.80
  4. Step 4: Simplify right side
    756,044.80x = 381,206,255,861.76
  5. Step 5: Solve for x
    x = 381,206,255,861.76/756,044.80
  6. Step 6: Final answer
    x = 504,211.20

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Double scale
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Similar ratio
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1.5x scale

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.