Home / 800,631.87-1,200,759.13-294,918.22

Finding the Fourth Proportional to 800,631.87, 1,200,759.13 and 294,918.22

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Solution

The fourth proportional to 800,631.87, 1,200,759.13 and 294,918.22 is: 442,307.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,631.87 : 1,200,759.13 = 294,918.22 : x
  2. Step 2: Convert to fraction form
    800,631.87/1,200,759.13 = 294,918.22/x
  3. Step 3: Cross multiply
    800,631.87x = 1,200,759.13 × 294,918.22
  4. Step 4: Simplify right side
    800,631.87x = 354,125,745,268.35
  5. Step 5: Solve for x
    x = 354,125,745,268.35/800,631.87
  6. Step 6: Final answer
    x = 442,307.83

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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.