Finding the Fourth Proportional to 757,705.68, 1,045,631.70 and 418,171.50
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Solution
The fourth proportional to 757,705.68, 1,045,631.70 and 418,171.50 is: 577,075.49
Step by Step Solution
- Step 1: Write the proportion equation
757,705.68 : 1,045,631.70 = 418,171.50 : x - Step 2: Convert to fraction form
757,705.68/1,045,631.70 = 418,171.50/x - Step 3: Cross multiply
757,705.68x = 1,045,631.70 × 418,171.50 - Step 4: Simplify right side
757,705.68x = 437,253,376,436.55 - Step 5: Solve for x
x = 437,253,376,436.55/757,705.68 - Step 6: Final answer
x = 577,075.49
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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.