Home / 677,497.94-1,016,640.57-303,520.94

Finding the Fourth Proportional to 677,497.94, 1,016,640.57 and 303,520.94

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Solution

The fourth proportional to 677,497.94, 1,016,640.57 and 303,520.94 is: 455,457.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,497.94 : 1,016,640.57 = 303,520.94 : x
  2. Step 2: Convert to fraction form
    677,497.94/1,016,640.57 = 303,520.94/x
  3. Step 3: Cross multiply
    677,497.94x = 1,016,640.57 × 303,520.94
  4. Step 4: Simplify right side
    677,497.94x = 308,571,701,448.54
  5. Step 5: Solve for x
    x = 308,571,701,448.54/677,497.94
  6. Step 6: Final answer
    x = 455,457.77

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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.