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Finding the Fourth Proportional to 530,704.11, 796,367.21 and 380,782.83

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Solution

The fourth proportional to 530,704.11, 796,367.21 and 380,782.83 is: 571,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,704.11 : 796,367.21 = 380,782.83 : x
  2. Step 2: Convert to fraction form
    530,704.11/796,367.21 = 380,782.83/x
  3. Step 3: Cross multiply
    530,704.11x = 796,367.21 × 380,782.83
  4. Step 4: Simplify right side
    530,704.11x = 303,242,958,039.09
  5. Step 5: Solve for x
    x = 303,242,958,039.09/530,704.11
  6. Step 6: Final answer
    x = 571,397.42

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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.