Home / 966,297.60-1,449,619.20-405,388.80

Finding the Fourth Proportional to 966,297.60, 1,449,619.20 and 405,388.80

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Solution

The fourth proportional to 966,297.60, 1,449,619.20 and 405,388.80 is: 608,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,297.60 : 1,449,619.20 = 405,388.80 : x
  2. Step 2: Convert to fraction form
    966,297.60/1,449,619.20 = 405,388.80/x
  3. Step 3: Cross multiply
    966,297.60x = 1,449,619.20 × 405,388.80
  4. Step 4: Simplify right side
    966,297.60x = 587,659,387,944.96
  5. Step 5: Solve for x
    x = 587,659,387,944.96/966,297.60
  6. Step 6: Final answer
    x = 608,155.69

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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.