Finding the Fourth Proportional to 882,906.96, 1,218,388.68 and 515,454.48
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Solution
The fourth proportional to 882,906.96, 1,218,388.68 and 515,454.48 is: 711,313.80
Step by Step Solution
- Step 1: Write the proportion equation
882,906.96 : 1,218,388.68 = 515,454.48 : x - Step 2: Convert to fraction form
882,906.96/1,218,388.68 = 515,454.48/x - Step 3: Cross multiply
882,906.96x = 1,218,388.68 × 515,454.48 - Step 4: Simplify right side
882,906.96x = 628,023,903,487.29 - Step 5: Solve for x
x = 628,023,903,487.29/882,906.96 - Step 6: Final answer
x = 711,313.80
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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.