Home / 828,335.43-1,242,364.72-229,357.14

Finding the Fourth Proportional to 828,335.43, 1,242,364.72 and 229,357.14

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Solution

The fourth proportional to 828,335.43, 1,242,364.72 and 229,357.14 is: 343,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,335.43 : 1,242,364.72 = 229,357.14 : x
  2. Step 2: Convert to fraction form
    828,335.43/1,242,364.72 = 229,357.14/x
  3. Step 3: Cross multiply
    828,335.43x = 1,242,364.72 × 229,357.14
  4. Step 4: Simplify right side
    828,335.43x = 284,945,219,016.10
  5. Step 5: Solve for x
    x = 284,945,219,016.10/828,335.43
  6. Step 6: Final answer
    x = 343,997.38

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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.