Finding the Fourth Proportional to 662,806.92, 914,737.16 and 408,307.08
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Solution
The fourth proportional to 662,806.92, 914,737.16 and 408,307.08 is: 563,502.96
Step by Step Solution
- Step 1: Write the proportion equation
662,806.92 : 914,737.16 = 408,307.08 : x - Step 2: Convert to fraction form
662,806.92/914,737.16 = 408,307.08/x - Step 3: Cross multiply
662,806.92x = 914,737.16 × 408,307.08 - Step 4: Simplify right side
662,806.92x = 373,493,658,767.09 - Step 5: Solve for x
x = 373,493,658,767.09/662,806.92 - Step 6: Final answer
x = 563,502.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.