Home / 828,424.58-1,242,634.79-229,383.74

Finding the Fourth Proportional to 828,424.58, 1,242,634.79 and 229,383.74

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Solution

The fourth proportional to 828,424.58, 1,242,634.79 and 229,383.74 is: 344,075.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,424.58 : 1,242,634.79 = 229,383.74 : x
  2. Step 2: Convert to fraction form
    828,424.58/1,242,634.79 = 229,383.74/x
  3. Step 3: Cross multiply
    828,424.58x = 1,242,634.79 × 229,383.74
  4. Step 4: Simplify right side
    828,424.58x = 285,040,208,224.22
  5. Step 5: Solve for x
    x = 285,040,208,224.22/828,424.58
  6. Step 6: Final answer
    x = 344,075.03

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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.