Home / 677,789.06-1,016,690.89-204,478.52

Finding the Fourth Proportional to 677,789.06, 1,016,690.89 and 204,478.52

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Solution

The fourth proportional to 677,789.06, 1,016,690.89 and 204,478.52 is: 306,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,789.06 : 1,016,690.89 = 204,478.52 : x
  2. Step 2: Convert to fraction form
    677,789.06/1,016,690.89 = 204,478.52/x
  3. Step 3: Cross multiply
    677,789.06x = 1,016,690.89 × 204,478.52
  4. Step 4: Simplify right side
    677,789.06x = 207,891,448,484.68
  5. Step 5: Solve for x
    x = 207,891,448,484.68/677,789.06
  6. Step 6: Final answer
    x = 306,719.98

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1.5x scale

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.