Home / 828,940.31-1,243,410.40-229,901.46

Finding the Fourth Proportional to 828,940.31, 1,243,410.40 and 229,901.46

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Solution

The fourth proportional to 828,940.31, 1,243,410.40 and 229,901.46 is: 344,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,940.31 : 1,243,410.40 = 229,901.46 : x
  2. Step 2: Convert to fraction form
    828,940.31/1,243,410.40 = 229,901.46/x
  3. Step 3: Cross multiply
    828,940.31x = 1,243,410.40 × 229,901.46
  4. Step 4: Simplify right side
    828,940.31x = 285,861,865,764.43
  5. Step 5: Solve for x
    x = 285,861,865,764.43/828,940.31
  6. Step 6: Final answer
    x = 344,852.17

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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.