Home / 828,684.38-1,243,023.02-229,643.82

Finding the Fourth Proportional to 828,684.38, 1,243,023.02 and 229,643.82

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Solution

The fourth proportional to 828,684.38, 1,243,023.02 and 229,643.82 is: 344,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,684.38 : 1,243,023.02 = 229,643.82 : x
  2. Step 2: Convert to fraction form
    828,684.38/1,243,023.02 = 229,643.82/x
  3. Step 3: Cross multiply
    828,684.38x = 1,243,023.02 × 229,643.82
  4. Step 4: Simplify right side
    828,684.38x = 285,452,554,660.74
  5. Step 5: Solve for x
    x = 285,452,554,660.74/828,684.38
  6. Step 6: Final answer
    x = 344,464.75

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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.