Home / 809,627.60-1,214,441.40-248,661.20

Finding the Fourth Proportional to 809,627.60, 1,214,441.40 and 248,661.20

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Solution

The fourth proportional to 809,627.60, 1,214,441.40 and 248,661.20 is: 372,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,627.60 : 1,214,441.40 = 248,661.20 : x
  2. Step 2: Convert to fraction form
    809,627.60/1,214,441.40 = 248,661.20/x
  3. Step 3: Cross multiply
    809,627.60x = 1,214,441.40 × 248,661.20
  4. Step 4: Simplify right side
    809,627.60x = 301,984,455,853.68
  5. Step 5: Solve for x
    x = 301,984,455,853.68/809,627.60
  6. Step 6: Final answer
    x = 372,991.80

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Similar ratio
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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.