Home / 678,262.68-1,017,571.86-204,960.60

Finding the Fourth Proportional to 678,262.68, 1,017,571.86 and 204,960.60

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Solution

The fourth proportional to 678,262.68, 1,017,571.86 and 204,960.60 is: 307,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,262.68 : 1,017,571.86 = 204,960.60 : x
  2. Step 2: Convert to fraction form
    678,262.68/1,017,571.86 = 204,960.60/x
  3. Step 3: Cross multiply
    678,262.68x = 1,017,571.86 × 204,960.60
  4. Step 4: Simplify right side
    678,262.68x = 208,562,138,968.72
  5. Step 5: Solve for x
    x = 208,562,138,968.72/678,262.68
  6. Step 6: Final answer
    x = 307,494.64

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1.5x scale

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.