Home / 809,628.20-1,214,442.30-248,690.60

Finding the Fourth Proportional to 809,628.20, 1,214,442.30 and 248,690.60

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Solution

The fourth proportional to 809,628.20, 1,214,442.30 and 248,690.60 is: 373,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,628.20 : 1,214,442.30 = 248,690.60 : x
  2. Step 2: Convert to fraction form
    809,628.20/1,214,442.30 = 248,690.60/x
  3. Step 3: Cross multiply
    809,628.20x = 1,214,442.30 × 248,690.60
  4. Step 4: Simplify right side
    809,628.20x = 302,020,384,252.38
  5. Step 5: Solve for x
    x = 302,020,384,252.38/809,628.20
  6. Step 6: Final answer
    x = 373,035.90

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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.