Home / 800,415.72-1,200,784.26-294,979.32

Finding the Fourth Proportional to 800,415.72, 1,200,784.26 and 294,979.32

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Solution

The fourth proportional to 800,415.72, 1,200,784.26 and 294,979.32 is: 442,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,415.72 : 1,200,784.26 = 294,979.32 : x
  2. Step 2: Convert to fraction form
    800,415.72/1,200,784.26 = 294,979.32/x
  3. Step 3: Cross multiply
    800,415.72x = 1,200,784.26 × 294,979.32
  4. Step 4: Simplify right side
    800,415.72x = 354,206,524,481.50
  5. Step 5: Solve for x
    x = 354,206,524,481.50/800,415.72
  6. Step 6: Final answer
    x = 442,528.20

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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.