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Finding the Fourth Proportional to 627,690.96, 941,519.04 and 228,339.12

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Solution

The fourth proportional to 627,690.96, 941,519.04 and 228,339.12 is: 342,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,690.96 : 941,519.04 = 228,339.12 : x
  2. Step 2: Convert to fraction form
    627,690.96/941,519.04 = 228,339.12/x
  3. Step 3: Cross multiply
    627,690.96x = 941,519.04 × 228,339.12
  4. Step 4: Simplify right side
    627,690.96x = 214,985,629,056.85
  5. Step 5: Solve for x
    x = 214,985,629,056.85/627,690.96
  6. Step 6: Final answer
    x = 342,502.35

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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.