Finding the Fourth Proportional to 730,473.74, 1,008,034.42 and 408,186.49
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Solution
The fourth proportional to 730,473.74, 1,008,034.42 and 408,186.49 is: 563,286.54
Step by Step Solution
- Step 1: Write the proportion equation
730,473.74 : 1,008,034.42 = 408,186.49 : x - Step 2: Convert to fraction form
730,473.74/1,008,034.42 = 408,186.49/x - Step 3: Cross multiply
730,473.74x = 1,008,034.42 × 408,186.49 - Step 4: Simplify right side
730,473.74x = 411,466,030,813.85 - Step 5: Solve for x
x = 411,466,030,813.85/730,473.74 - Step 6: Final answer
x = 563,286.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.