Home / 661,517.37-992,604.09-262,149.30

Finding the Fourth Proportional to 661,517.37, 992,604.09 and 262,149.30

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Solution

The fourth proportional to 661,517.37, 992,604.09 and 262,149.30 is: 393,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,517.37 : 992,604.09 = 262,149.30 : x
  2. Step 2: Convert to fraction form
    661,517.37/992,604.09 = 262,149.30/x
  3. Step 3: Cross multiply
    661,517.37x = 992,604.09 × 262,149.30
  4. Step 4: Simplify right side
    661,517.37x = 260,210,467,370.64
  5. Step 5: Solve for x
    x = 260,210,467,370.64/661,517.37
  6. Step 6: Final answer
    x = 393,353.95

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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.