Finding the Fourth Proportional to 734,540.70, 1,101,811.05 and 419,612.70
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Solution
The fourth proportional to 734,540.70, 1,101,811.05 and 419,612.70 is: 629,419.05
Step by Step Solution
- Step 1: Write the proportion equation
734,540.70 : 1,101,811.05 = 419,612.70 : x - Step 2: Convert to fraction form
734,540.70/1,101,811.05 = 419,612.70/x - Step 3: Cross multiply
734,540.70x = 1,101,811.05 × 419,612.70 - Step 4: Simplify right side
734,540.70x = 462,333,909,580.34 - Step 5: Solve for x
x = 462,333,909,580.34/734,540.70 - Step 6: Final answer
x = 629,419.05
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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.