Finding the Fourth Proportional to 748,405.04, 1,122,472.32 and 215,795.12
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Solution
The fourth proportional to 748,405.04, 1,122,472.32 and 215,795.12 is: 323,653.68
Step by Step Solution
- Step 1: Write the proportion equation
748,405.04 : 1,122,472.32 = 215,795.12 : x - Step 2: Convert to fraction form
748,405.04/1,122,472.32 = 215,795.12/x - Step 3: Cross multiply
748,405.04x = 1,122,472.32 × 215,795.12 - Step 4: Simplify right side
748,405.04x = 242,224,048,991.08 - Step 5: Solve for x
x = 242,224,048,991.08/748,405.04 - Step 6: Final answer
x = 323,653.68
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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.