Home / 768,450.22-1,152,730.68-295,135.56

Finding the Fourth Proportional to 768,450.22, 1,152,730.68 and 295,135.56

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Solution

The fourth proportional to 768,450.22, 1,152,730.68 and 295,135.56 is: 442,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,450.22 : 1,152,730.68 = 295,135.56 : x
  2. Step 2: Convert to fraction form
    768,450.22/1,152,730.68 = 295,135.56/x
  3. Step 3: Cross multiply
    768,450.22x = 1,152,730.68 × 295,135.56
  4. Step 4: Simplify right side
    768,450.22x = 340,211,814,770.98
  5. Step 5: Solve for x
    x = 340,211,814,770.98/768,450.22
  6. Step 6: Final answer
    x = 442,724.60

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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.