Home / 768,356.75-1,152,334.21-228,467.63

Finding the Fourth Proportional to 768,356.75, 1,152,334.21 and 228,467.63

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Solution

The fourth proportional to 768,356.75, 1,152,334.21 and 228,467.63 is: 342,641.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,356.75 : 1,152,334.21 = 228,467.63 : x
  2. Step 2: Convert to fraction form
    768,356.75/1,152,334.21 = 228,467.63/x
  3. Step 3: Cross multiply
    768,356.75x = 1,152,334.21 × 228,467.63
  4. Step 4: Simplify right side
    768,356.75x = 263,271,059,022.61
  5. Step 5: Solve for x
    x = 263,271,059,022.61/768,356.75
  6. Step 6: Final answer
    x = 342,641.69

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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.