Finding the Fourth Proportional to 726,645.87, 1,089,261.63 and 347,468.67
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Solution
The fourth proportional to 726,645.87, 1,089,261.63 and 347,468.67 is: 520,864.85
Step by Step Solution
- Step 1: Write the proportion equation
726,645.87 : 1,089,261.63 = 347,468.67 : x - Step 2: Convert to fraction form
726,645.87/1,089,261.63 = 347,468.67/x - Step 3: Cross multiply
726,645.87x = 1,089,261.63 × 347,468.67 - Step 4: Simplify right side
726,645.87x = 378,484,289,858.13 - Step 5: Solve for x
x = 378,484,289,858.13/726,645.87 - Step 6: Final answer
x = 520,864.85
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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.