Home / 828,355.97-1,242,555.09-229,322.29

Finding the Fourth Proportional to 828,355.97, 1,242,555.09 and 229,322.29

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Solution

The fourth proportional to 828,355.97, 1,242,555.09 and 229,322.29 is: 343,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,355.97 : 1,242,555.09 = 229,322.29 : x
  2. Step 2: Convert to fraction form
    828,355.97/1,242,555.09 = 229,322.29/x
  3. Step 3: Cross multiply
    828,355.97x = 1,242,555.09 × 229,322.29
  4. Step 4: Simplify right side
    828,355.97x = 284,945,577,053.40
  5. Step 5: Solve for x
    x = 284,945,577,053.40/828,355.97
  6. Step 6: Final answer
    x = 343,989.29

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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.