Home / 680,682.64-1,020,946.20-259,949.20

Finding the Fourth Proportional to 680,682.64, 1,020,946.20 and 259,949.20

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Solution

The fourth proportional to 680,682.64, 1,020,946.20 and 259,949.20 is: 389,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,682.64 : 1,020,946.20 = 259,949.20 : x
  2. Step 2: Convert to fraction form
    680,682.64/1,020,946.20 = 259,949.20/x
  3. Step 3: Cross multiply
    680,682.64x = 1,020,946.20 × 259,949.20
  4. Step 4: Simplify right side
    680,682.64x = 265,394,147,933.04
  5. Step 5: Solve for x
    x = 265,394,147,933.04/680,682.64
  6. Step 6: Final answer
    x = 389,894.10

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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.