Home / 828,311.50-1,242,468.98-229,274.39

Finding the Fourth Proportional to 828,311.50, 1,242,468.98 and 229,274.39

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Solution

The fourth proportional to 828,311.50, 1,242,468.98 and 229,274.39 is: 343,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,311.50 : 1,242,468.98 = 229,274.39 : x
  2. Step 2: Convert to fraction form
    828,311.50/1,242,468.98 = 229,274.39/x
  3. Step 3: Cross multiply
    828,311.50x = 1,242,468.98 × 229,274.39
  4. Step 4: Simplify right side
    828,311.50x = 284,866,317,483.42
  5. Step 5: Solve for x
    x = 284,866,317,483.42/828,311.50
  6. Step 6: Final answer
    x = 343,912.06

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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.