Home / 800,426.43-1,200,550.83-201,387.69

Finding the Fourth Proportional to 800,426.43, 1,200,550.83 and 201,387.69

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Solution

The fourth proportional to 800,426.43, 1,200,550.83 and 201,387.69 is: 302,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,426.43 : 1,200,550.83 = 201,387.69 : x
  2. Step 2: Convert to fraction form
    800,426.43/1,200,550.83 = 201,387.69/x
  3. Step 3: Cross multiply
    800,426.43x = 1,200,550.83 × 201,387.69
  4. Step 4: Simplify right side
    800,426.43x = 241,776,158,381.28
  5. Step 5: Solve for x
    x = 241,776,158,381.28/800,426.43
  6. Step 6: Final answer
    x = 302,059.19

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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.