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Finding the Fourth Proportional to 446,109.60, 669,164.40 and 410,167.20

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Solution

The fourth proportional to 446,109.60, 669,164.40 and 410,167.20 is: 615,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,109.60 : 669,164.40 = 410,167.20 : x
  2. Step 2: Convert to fraction form
    446,109.60/669,164.40 = 410,167.20/x
  3. Step 3: Cross multiply
    446,109.60x = 669,164.40 × 410,167.20
  4. Step 4: Simplify right side
    446,109.60x = 274,469,288,287.68
  5. Step 5: Solve for x
    x = 274,469,288,287.68/446,109.60
  6. Step 6: Final answer
    x = 615,250.80

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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.