Home / 669,441.60-1,004,162.40-170,805.60

Finding the Fourth Proportional to 669,441.60, 1,004,162.40 and 170,805.60

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Solution

The fourth proportional to 669,441.60, 1,004,162.40 and 170,805.60 is: 256,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,441.60 : 1,004,162.40 = 170,805.60 : x
  2. Step 2: Convert to fraction form
    669,441.60/1,004,162.40 = 170,805.60/x
  3. Step 3: Cross multiply
    669,441.60x = 1,004,162.40 × 170,805.60
  4. Step 4: Simplify right side
    669,441.60x = 171,516,561,229.44
  5. Step 5: Solve for x
    x = 171,516,561,229.44/669,441.60
  6. Step 6: Final answer
    x = 256,208.40

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Double scale
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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.