Finding the Fourth Proportional to 779,916.26, 1,169,915.94 and 247,478.96
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Solution
The fourth proportional to 779,916.26, 1,169,915.94 and 247,478.96 is: 371,231.62
Step by Step Solution
- Step 1: Write the proportion equation
779,916.26 : 1,169,915.94 = 247,478.96 : x - Step 2: Convert to fraction form
779,916.26/1,169,915.94 = 247,478.96/x - Step 3: Cross multiply
779,916.26x = 1,169,915.94 × 247,478.96 - Step 4: Simplify right side
779,916.26x = 289,529,580,118.62 - Step 5: Solve for x
x = 289,529,580,118.62/779,916.26 - Step 6: Final answer
x = 371,231.62
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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.