Home / 677,489.94-1,016,628.57-303,512.94

Finding the Fourth Proportional to 677,489.94, 1,016,628.57 and 303,512.94

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Solution

The fourth proportional to 677,489.94, 1,016,628.57 and 303,512.94 is: 455,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,489.94 : 1,016,628.57 = 303,512.94 : x
  2. Step 2: Convert to fraction form
    677,489.94/1,016,628.57 = 303,512.94/x
  3. Step 3: Cross multiply
    677,489.94x = 1,016,628.57 × 303,512.94
  4. Step 4: Simplify right side
    677,489.94x = 308,559,926,168.70
  5. Step 5: Solve for x
    x = 308,559,926,168.70/677,489.94
  6. Step 6: Final answer
    x = 455,445.77

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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.