Home / 828,937.31-1,243,405.90-229,898.46

Finding the Fourth Proportional to 828,937.31, 1,243,405.90 and 229,898.46

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Solution

The fourth proportional to 828,937.31, 1,243,405.90 and 229,898.46 is: 344,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,937.31 : 1,243,405.90 = 229,898.46 : x
  2. Step 2: Convert to fraction form
    828,937.31/1,243,405.90 = 229,898.46/x
  3. Step 3: Cross multiply
    828,937.31x = 1,243,405.90 × 229,898.46
  4. Step 4: Simplify right side
    828,937.31x = 285,857,100,990.17
  5. Step 5: Solve for x
    x = 285,857,100,990.17/828,937.31
  6. Step 6: Final answer
    x = 344,847.67

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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.