Finding the Fourth Proportional to 757,796.96, 1,045,754.56 and 418,265.12
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Solution
The fourth proportional to 757,796.96, 1,045,754.56 and 418,265.12 is: 577,202.97
Step by Step Solution
- Step 1: Write the proportion equation
757,796.96 : 1,045,754.56 = 418,265.12 : x - Step 2: Convert to fraction form
757,796.96/1,045,754.56 = 418,265.12/x - Step 3: Cross multiply
757,796.96x = 1,045,754.56 × 418,265.12 - Step 4: Simplify right side
757,796.96x = 437,402,656,528.95 - Step 5: Solve for x
x = 437,402,656,528.95/757,796.96 - Step 6: Final answer
x = 577,202.97
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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.