Home / 677,863.72-1,016,802.78-204,553.24

Finding the Fourth Proportional to 677,863.72, 1,016,802.78 and 204,553.24

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Solution

The fourth proportional to 677,863.72, 1,016,802.78 and 204,553.24 is: 306,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,863.72 : 1,016,802.78 = 204,553.24 : x
  2. Step 2: Convert to fraction form
    677,863.72/1,016,802.78 = 204,553.24/x
  3. Step 3: Cross multiply
    677,863.72x = 1,016,802.78 × 204,553.24
  4. Step 4: Simplify right side
    677,863.72x = 207,990,303,090.01
  5. Step 5: Solve for x
    x = 207,990,303,090.01/677,863.72
  6. Step 6: Final answer
    x = 306,832.03

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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.