Home / 819,664.60-1,229,496.90-446,416.60

Finding the Fourth Proportional to 819,664.60, 1,229,496.90 and 446,416.60

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Solution

The fourth proportional to 819,664.60, 1,229,496.90 and 446,416.60 is: 669,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,664.60 : 1,229,496.90 = 446,416.60 : x
  2. Step 2: Convert to fraction form
    819,664.60/1,229,496.90 = 446,416.60/x
  3. Step 3: Cross multiply
    819,664.60x = 1,229,496.90 × 446,416.60
  4. Step 4: Simplify right side
    819,664.60x = 548,867,825,808.54
  5. Step 5: Solve for x
    x = 548,867,825,808.54/819,664.60
  6. Step 6: Final answer
    x = 669,624.90

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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.