Home / 846,257.20-1,268,576.70-313,635.40

Finding the Fourth Proportional to 846,257.20, 1,268,576.70 and 313,635.40

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Solution

The fourth proportional to 846,257.20, 1,268,576.70 and 313,635.40 is: 470,153.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,257.20 : 1,268,576.70 = 313,635.40 : x
  2. Step 2: Convert to fraction form
    846,257.20/1,268,576.70 = 313,635.40/x
  3. Step 3: Cross multiply
    846,257.20x = 1,268,576.70 × 313,635.40
  4. Step 4: Simplify right side
    846,257.20x = 397,870,560,735.18
  5. Step 5: Solve for x
    x = 397,870,560,735.18/846,257.20
  6. Step 6: Final answer
    x = 470,153.24

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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.