Home / 828,763.65-1,243,022.45-229,662.34

Finding the Fourth Proportional to 828,763.65, 1,243,022.45 and 229,662.34

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Solution

The fourth proportional to 828,763.65, 1,243,022.45 and 229,662.34 is: 344,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,763.65 : 1,243,022.45 = 229,662.34 : x
  2. Step 2: Convert to fraction form
    828,763.65/1,243,022.45 = 229,662.34/x
  3. Step 3: Cross multiply
    828,763.65x = 1,243,022.45 × 229,662.34
  4. Step 4: Simplify right side
    828,763.65x = 285,475,440,283.67
  5. Step 5: Solve for x
    x = 285,475,440,283.67/828,763.65
  6. Step 6: Final answer
    x = 344,459.41

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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.