Home / 828,351.54-1,242,528.93-229,314.42

Finding the Fourth Proportional to 828,351.54, 1,242,528.93 and 229,314.42

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Solution

The fourth proportional to 828,351.54, 1,242,528.93 and 229,314.42 is: 343,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,351.54 : 1,242,528.93 = 229,314.42 : x
  2. Step 2: Convert to fraction form
    828,351.54/1,242,528.93 = 229,314.42/x
  3. Step 3: Cross multiply
    828,351.54x = 1,242,528.93 × 229,314.42
  4. Step 4: Simplify right side
    828,351.54x = 284,929,800,916.17
  5. Step 5: Solve for x
    x = 284,929,800,916.17/828,351.54
  6. Step 6: Final answer
    x = 343,972.08

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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.