Finding the Fourth Proportional to 747,369.36, 1,120,933.44 and 214,768.80
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Solution
The fourth proportional to 747,369.36, 1,120,933.44 and 214,768.80 is: 322,118.54
Step by Step Solution
- Step 1: Write the proportion equation
747,369.36 : 1,120,933.44 = 214,768.80 : x - Step 2: Convert to fraction form
747,369.36/1,120,933.44 = 214,768.80/x - Step 3: Cross multiply
747,369.36x = 1,120,933.44 × 214,768.80 - Step 4: Simplify right side
747,369.36x = 240,741,529,788.67 - Step 5: Solve for x
x = 240,741,529,788.67/747,369.36 - Step 6: Final answer
x = 322,118.54
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1.5x scale
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.