Home / 809,081.40-1,214,313.30-360,492.60

Finding the Fourth Proportional to 809,081.40, 1,214,313.30 and 360,492.60

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Solution

The fourth proportional to 809,081.40, 1,214,313.30 and 360,492.60 is: 541,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,081.40 : 1,214,313.30 = 360,492.60 : x
  2. Step 2: Convert to fraction form
    809,081.40/1,214,313.30 = 360,492.60/x
  3. Step 3: Cross multiply
    809,081.40x = 1,214,313.30 × 360,492.60
  4. Step 4: Simplify right side
    809,081.40x = 437,750,958,731.58
  5. Step 5: Solve for x
    x = 437,750,958,731.58/809,081.40
  6. Step 6: Final answer
    x = 541,046.87

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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.