Home / 682,400.74-1,023,732.31-261,643.80

Finding the Fourth Proportional to 682,400.74, 1,023,732.31 and 261,643.80

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Solution

The fourth proportional to 682,400.74, 1,023,732.31 and 261,643.80 is: 392,516.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,400.74 : 1,023,732.31 = 261,643.80 : x
  2. Step 2: Convert to fraction form
    682,400.74/1,023,732.31 = 261,643.80/x
  3. Step 3: Cross multiply
    682,400.74x = 1,023,732.31 × 261,643.80
  4. Step 4: Simplify right side
    682,400.74x = 267,853,211,771.18
  5. Step 5: Solve for x
    x = 267,853,211,771.18/682,400.74
  6. Step 6: Final answer
    x = 392,516.00

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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.