Home / 809,220.60-1,214,268.30-360,010.80

Finding the Fourth Proportional to 809,220.60, 1,214,268.30 and 360,010.80

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Solution

The fourth proportional to 809,220.60, 1,214,268.30 and 360,010.80 is: 540,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,220.60 : 1,214,268.30 = 360,010.80 : x
  2. Step 2: Convert to fraction form
    809,220.60/1,214,268.30 = 360,010.80/x
  3. Step 3: Cross multiply
    809,220.60x = 1,214,268.30 × 360,010.80
  4. Step 4: Simplify right side
    809,220.60x = 437,149,702,097.64
  5. Step 5: Solve for x
    x = 437,149,702,097.64/809,220.60
  6. Step 6: Final answer
    x = 540,210.79

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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.