Home / 677,853.80-1,016,807.04-204,539.16

Finding the Fourth Proportional to 677,853.80, 1,016,807.04 and 204,539.16

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Solution

The fourth proportional to 677,853.80, 1,016,807.04 and 204,539.16 is: 306,816.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,853.80 : 1,016,807.04 = 204,539.16 : x
  2. Step 2: Convert to fraction form
    677,853.80/1,016,807.04 = 204,539.16/x
  3. Step 3: Cross multiply
    677,853.80x = 1,016,807.04 × 204,539.16
  4. Step 4: Simplify right side
    677,853.80x = 207,976,857,843.69
  5. Step 5: Solve for x
    x = 207,976,857,843.69/677,853.80
  6. Step 6: Final answer
    x = 306,816.69

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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.