Home / 779,020.87-1,168,660.44-273,450.66

Finding the Fourth Proportional to 779,020.87, 1,168,660.44 and 273,450.66

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Solution

The fourth proportional to 779,020.87, 1,168,660.44 and 273,450.66 is: 410,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,020.87 : 1,168,660.44 = 273,450.66 : x
  2. Step 2: Convert to fraction form
    779,020.87/1,168,660.44 = 273,450.66/x
  3. Step 3: Cross multiply
    779,020.87x = 1,168,660.44 × 273,450.66
  4. Step 4: Simplify right side
    779,020.87x = 319,570,968,633.89
  5. Step 5: Solve for x
    x = 319,570,968,633.89/779,020.87
  6. Step 6: Final answer
    x = 410,221.32

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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.