Home / 828,763.15-1,243,021.69-229,661.84

Finding the Fourth Proportional to 828,763.15, 1,243,021.69 and 229,661.84

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Solution

The fourth proportional to 828,763.15, 1,243,021.69 and 229,661.84 is: 344,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,763.15 : 1,243,021.69 = 229,661.84 : x
  2. Step 2: Convert to fraction form
    828,763.15/1,243,021.69 = 229,661.84/x
  3. Step 3: Cross multiply
    828,763.15x = 1,243,021.69 × 229,661.84
  4. Step 4: Simplify right side
    828,763.15x = 285,474,648,485.31
  5. Step 5: Solve for x
    x = 285,474,648,485.31/828,763.15
  6. Step 6: Final answer
    x = 344,458.67

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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.