Home / 828,321.12-1,242,483.44-229,284

Finding the Fourth Proportional to 828,321.12, 1,242,483.44 and 229,284

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Solution

The fourth proportional to 828,321.12, 1,242,483.44 and 229,284 is: 343,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,321.12 : 1,242,483.44 = 229,284 : x
  2. Step 2: Convert to fraction form
    828,321.12/1,242,483.44 = 229,284/x
  3. Step 3: Cross multiply
    828,321.12x = 1,242,483.44 × 229,284
  4. Step 4: Simplify right side
    828,321.12x = 284,881,571,910.54
  5. Step 5: Solve for x
    x = 284,881,571,910.54/828,321.12
  6. Step 6: Final answer
    x = 343,926.49

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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.