Home / 828,222.96-1,242,362.05-229,133.94

Finding the Fourth Proportional to 828,222.96, 1,242,362.05 and 229,133.94

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Solution

The fourth proportional to 828,222.96, 1,242,362.05 and 229,133.94 is: 343,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,222.96 : 1,242,362.05 = 229,133.94 : x
  2. Step 2: Convert to fraction form
    828,222.96/1,242,362.05 = 229,133.94/x
  3. Step 3: Cross multiply
    828,222.96x = 1,242,362.05 × 229,133.94
  4. Step 4: Simplify right side
    828,222.96x = 284,667,311,422.98
  5. Step 5: Solve for x
    x = 284,667,311,422.98/828,222.96
  6. Step 6: Final answer
    x = 343,708.55

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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.