Finding the Fourth Proportional to 916,553.26, 1,374,501.84 and 317,353.54
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Solution
The fourth proportional to 916,553.26, 1,374,501.84 and 317,353.54 is: 475,916.72
Step by Step Solution
- Step 1: Write the proportion equation
916,553.26 : 1,374,501.84 = 317,353.54 : x - Step 2: Convert to fraction form
916,553.26/1,374,501.84 = 317,353.54/x - Step 3: Cross multiply
916,553.26x = 1,374,501.84 × 317,353.54 - Step 4: Simplify right side
916,553.26x = 436,203,017,788.00 - Step 5: Solve for x
x = 436,203,017,788.00/916,553.26 - Step 6: Final answer
x = 475,916.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.