Finding the Fourth Proportional to 881,489.70, 1,322,234.55 and 725,969.70
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Solution
The fourth proportional to 881,489.70, 1,322,234.55 and 725,969.70 is: 1,088,954.55
Step by Step Solution
- Step 1: Write the proportion equation
881,489.70 : 1,322,234.55 = 725,969.70 : x - Step 2: Convert to fraction form
881,489.70/1,322,234.55 = 725,969.70/x - Step 3: Cross multiply
881,489.70x = 1,322,234.55 × 725,969.70 - Step 4: Simplify right side
881,489.70x = 959,902,219,593.14 - Step 5: Solve for x
x = 959,902,219,593.14/881,489.70 - Step 6: Final answer
x = 1,088,954.55
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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.