Home / 768,405.45-1,152,757.62-295,056.03

Finding the Fourth Proportional to 768,405.45, 1,152,757.62 and 295,056.03

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Solution

The fourth proportional to 768,405.45, 1,152,757.62 and 295,056.03 is: 442,641.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,405.45 : 1,152,757.62 = 295,056.03 : x
  2. Step 2: Convert to fraction form
    768,405.45/1,152,757.62 = 295,056.03/x
  3. Step 3: Cross multiply
    768,405.45x = 1,152,757.62 × 295,056.03
  4. Step 4: Simplify right side
    768,405.45x = 340,128,086,909.45
  5. Step 5: Solve for x
    x = 340,128,086,909.45/768,405.45
  6. Step 6: Final answer
    x = 442,641.43

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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.