Home / 684,263.20-1,026,097.78-263,243.56

Finding the Fourth Proportional to 684,263.20, 1,026,097.78 and 263,243.56

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Solution

The fourth proportional to 684,263.20, 1,026,097.78 and 263,243.56 is: 394,751.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,263.20 : 1,026,097.78 = 263,243.56 : x
  2. Step 2: Convert to fraction form
    684,263.20/1,026,097.78 = 263,243.56/x
  3. Step 3: Cross multiply
    684,263.20x = 1,026,097.78 × 263,243.56
  4. Step 4: Simplify right side
    684,263.20x = 270,113,632,515.30
  5. Step 5: Solve for x
    x = 270,113,632,515.30/684,263.20
  6. Step 6: Final answer
    x = 394,751.07

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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.