Home / 677,505.73-1,016,652.30-303,528.73

Finding the Fourth Proportional to 677,505.73, 1,016,652.30 and 303,528.73

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Solution

The fourth proportional to 677,505.73, 1,016,652.30 and 303,528.73 is: 455,469.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,505.73 : 1,016,652.30 = 303,528.73 : x
  2. Step 2: Convert to fraction form
    677,505.73/1,016,652.30 = 303,528.73/x
  3. Step 3: Cross multiply
    677,505.73x = 1,016,652.30 × 303,528.73
  4. Step 4: Simplify right side
    677,505.73x = 308,583,181,470.58
  5. Step 5: Solve for x
    x = 308,583,181,470.58/677,505.73
  6. Step 6: Final answer
    x = 455,469.48

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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.