Home / 828,765.65-1,243,025.44-229,664.34

Finding the Fourth Proportional to 828,765.65, 1,243,025.44 and 229,664.34

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Solution

The fourth proportional to 828,765.65, 1,243,025.44 and 229,664.34 is: 344,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,765.65 : 1,243,025.44 = 229,664.34 : x
  2. Step 2: Convert to fraction form
    828,765.65/1,243,025.44 = 229,664.34/x
  3. Step 3: Cross multiply
    828,765.65x = 1,243,025.44 × 229,664.34
  4. Step 4: Simplify right side
    828,765.65x = 285,478,617,280.81
  5. Step 5: Solve for x
    x = 285,478,617,280.81/828,765.65
  6. Step 6: Final answer
    x = 344,462.42

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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.