Finding the Fourth Proportional to 725,909.94, 1,089,086.45 and 371,173.14
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Solution
The fourth proportional to 725,909.94, 1,089,086.45 and 371,173.14 is: 556,872.99
Step by Step Solution
- Step 1: Write the proportion equation
725,909.94 : 1,089,086.45 = 371,173.14 : x - Step 2: Convert to fraction form
725,909.94/1,089,086.45 = 371,173.14/x - Step 3: Cross multiply
725,909.94x = 1,089,086.45 × 371,173.14 - Step 4: Simplify right side
725,909.94x = 404,239,635,522.09 - Step 5: Solve for x
x = 404,239,635,522.09/725,909.94 - Step 6: Final answer
x = 556,872.99
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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.