Home / 682,630.98-1,022,575.68-340,042.56

Finding the Fourth Proportional to 682,630.98, 1,022,575.68 and 340,042.56

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Solution

The fourth proportional to 682,630.98, 1,022,575.68 and 340,042.56 is: 509,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,630.98 : 1,022,575.68 = 340,042.56 : x
  2. Step 2: Convert to fraction form
    682,630.98/1,022,575.68 = 340,042.56/x
  3. Step 3: Cross multiply
    682,630.98x = 1,022,575.68 × 340,042.56
  4. Step 4: Simplify right side
    682,630.98x = 347,719,252,020.94
  5. Step 5: Solve for x
    x = 347,719,252,020.94/682,630.98
  6. Step 6: Final answer
    x = 509,381.00

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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.