Finding the Fourth Proportional to 807,725.12, 1,211,731.75 and 268,013.81
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Solution
The fourth proportional to 807,725.12, 1,211,731.75 and 268,013.81 is: 402,068.53
Step by Step Solution
- Step 1: Write the proportion equation
807,725.12 : 1,211,731.75 = 268,013.81 : x - Step 2: Convert to fraction form
807,725.12/1,211,731.75 = 268,013.81/x - Step 3: Cross multiply
807,725.12x = 1,211,731.75 × 268,013.81 - Step 4: Simplify right side
807,725.12x = 324,760,846,379.81 - Step 5: Solve for x
x = 324,760,846,379.81/807,725.12 - Step 6: Final answer
x = 402,068.53
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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.