Home / 828,838.94-1,243,258.92-260,217.54

Finding the Fourth Proportional to 828,838.94, 1,243,258.92 and 260,217.54

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Solution

The fourth proportional to 828,838.94, 1,243,258.92 and 260,217.54 is: 390,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,838.94 : 1,243,258.92 = 260,217.54 : x
  2. Step 2: Convert to fraction form
    828,838.94/1,243,258.92 = 260,217.54/x
  3. Step 3: Cross multiply
    828,838.94x = 1,243,258.92 × 260,217.54
  4. Step 4: Simplify right side
    828,838.94x = 323,517,777,745.46
  5. Step 5: Solve for x
    x = 323,517,777,745.46/828,838.94
  6. Step 6: Final answer
    x = 390,326.47

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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.