Finding the Fourth Proportional to 726,181.80, 1,089,272.70 and 539,557.80
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Solution
The fourth proportional to 726,181.80, 1,089,272.70 and 539,557.80 is: 809,336.70
Step by Step Solution
- Step 1: Write the proportion equation
726,181.80 : 1,089,272.70 = 539,557.80 : x - Step 2: Convert to fraction form
726,181.80/1,089,272.70 = 539,557.80/x - Step 3: Cross multiply
726,181.80x = 1,089,272.70 × 539,557.80 - Step 4: Simplify right side
726,181.80x = 587,725,581,612.06 - Step 5: Solve for x
x = 587,725,581,612.06/726,181.80 - Step 6: Final answer
x = 809,336.70
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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.