Home / 768,340.80-1,152,511.20-295,037.55

Finding the Fourth Proportional to 768,340.80, 1,152,511.20 and 295,037.55

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Solution

The fourth proportional to 768,340.80, 1,152,511.20 and 295,037.55 is: 442,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,340.80 : 1,152,511.20 = 295,037.55 : x
  2. Step 2: Convert to fraction form
    768,340.80/1,152,511.20 = 295,037.55/x
  3. Step 3: Cross multiply
    768,340.80x = 1,152,511.20 × 295,037.55
  4. Step 4: Simplify right side
    768,340.80x = 340,034,080,795.56
  5. Step 5: Solve for x
    x = 340,034,080,795.56/768,340.80
  6. Step 6: Final answer
    x = 442,556.33

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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.