Finding the Fourth Proportional to 920,958.44, 1,378,886.86 and 470,709.68
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Solution
The fourth proportional to 920,958.44, 1,378,886.86 and 470,709.68 is: 704,760.78
Step by Step Solution
- Step 1: Write the proportion equation
920,958.44 : 1,378,886.86 = 470,709.68 : x - Step 2: Convert to fraction form
920,958.44/1,378,886.86 = 470,709.68/x - Step 3: Cross multiply
920,958.44x = 1,378,886.86 × 470,709.68 - Step 4: Simplify right side
920,958.44x = 649,055,392,626.81 - Step 5: Solve for x
x = 649,055,392,626.81/920,958.44 - Step 6: Final answer
x = 704,760.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.