Finding the Fourth Proportional to 658,376.52, 908,578.26 and 371,908.68
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Solution
The fourth proportional to 658,376.52, 908,578.26 and 371,908.68 is: 513,244.52
Step by Step Solution
- Step 1: Write the proportion equation
658,376.52 : 908,578.26 = 371,908.68 : x - Step 2: Convert to fraction form
658,376.52/908,578.26 = 371,908.68/x - Step 3: Cross multiply
658,376.52x = 908,578.26 × 371,908.68 - Step 4: Simplify right side
658,376.52x = 337,908,141,353.30 - Step 5: Solve for x
x = 337,908,141,353.30/658,376.52 - Step 6: Final answer
x = 513,244.52
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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.