Finding the Fourth Proportional to 906,405.62, 1,358,383.68 and 345,133.94
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Solution
The fourth proportional to 906,405.62, 1,358,383.68 and 345,133.94 is: 517,234.56
Step by Step Solution
- Step 1: Write the proportion equation
906,405.62 : 1,358,383.68 = 345,133.94 : x - Step 2: Convert to fraction form
906,405.62/1,358,383.68 = 345,133.94/x - Step 3: Cross multiply
906,405.62x = 1,358,383.68 × 345,133.94 - Step 4: Simplify right side
906,405.62x = 468,824,311,510.10 - Step 5: Solve for x
x = 468,824,311,510.10/906,405.62 - Step 6: Final answer
x = 517,234.56
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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.