Home / 669,308.96-1,004,086.64-220,055.20

Finding the Fourth Proportional to 669,308.96, 1,004,086.64 and 220,055.20

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Solution

The fourth proportional to 669,308.96, 1,004,086.64 and 220,055.20 is: 330,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,308.96 : 1,004,086.64 = 220,055.20 : x
  2. Step 2: Convert to fraction form
    669,308.96/1,004,086.64 = 220,055.20/x
  3. Step 3: Cross multiply
    669,308.96x = 1,004,086.64 × 220,055.20
  4. Step 4: Simplify right side
    669,308.96x = 220,954,486,382.53
  5. Step 5: Solve for x
    x = 220,954,486,382.53/669,308.96
  6. Step 6: Final answer
    x = 330,123.31

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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.