Home / 677,855.80-1,016,810.04-204,541.16

Finding the Fourth Proportional to 677,855.80, 1,016,810.04 and 204,541.16

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Solution

The fourth proportional to 677,855.80, 1,016,810.04 and 204,541.16 is: 306,819.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,855.80 : 1,016,810.04 = 204,541.16 : x
  2. Step 2: Convert to fraction form
    677,855.80/1,016,810.04 = 204,541.16/x
  3. Step 3: Cross multiply
    677,855.80x = 1,016,810.04 × 204,541.16
  4. Step 4: Simplify right side
    677,855.80x = 207,979,505,081.25
  5. Step 5: Solve for x
    x = 207,979,505,081.25/677,855.80
  6. Step 6: Final answer
    x = 306,819.69

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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.