Home / 678,175.64-1,017,231.58-251,796.32

Finding the Fourth Proportional to 678,175.64, 1,017,231.58 and 251,796.32

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Solution

The fourth proportional to 678,175.64, 1,017,231.58 and 251,796.32 is: 377,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,175.64 : 1,017,231.58 = 251,796.32 : x
  2. Step 2: Convert to fraction form
    678,175.64/1,017,231.58 = 251,796.32/x
  3. Step 3: Cross multiply
    678,175.64x = 1,017,231.58 × 251,796.32
  4. Step 4: Simplify right side
    678,175.64x = 256,135,168,431.79
  5. Step 5: Solve for x
    x = 256,135,168,431.79/678,175.64
  6. Step 6: Final answer
    x = 377,682.64

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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.