Home / 780,584.31-1,170,954.33-211,974.63

Finding the Fourth Proportional to 780,584.31, 1,170,954.33 and 211,974.63

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Solution

The fourth proportional to 780,584.31, 1,170,954.33 and 211,974.63 is: 317,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,584.31 : 1,170,954.33 = 211,974.63 : x
  2. Step 2: Convert to fraction form
    780,584.31/1,170,954.33 = 211,974.63/x
  3. Step 3: Cross multiply
    780,584.31x = 1,170,954.33 × 211,974.63
  4. Step 4: Simplify right side
    780,584.31x = 248,212,610,848.65
  5. Step 5: Solve for x
    x = 248,212,610,848.65/780,584.31
  6. Step 6: Final answer
    x = 317,983.09

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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.