Finding the Fourth Proportional to 757,861.68, 1,045,848.96 and 418,329.84
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Solution
The fourth proportional to 757,861.68, 1,045,848.96 and 418,329.84 is: 577,295.09
Step by Step Solution
- Step 1: Write the proportion equation
757,861.68 : 1,045,848.96 = 418,329.84 : x - Step 2: Convert to fraction form
757,861.68/1,045,848.96 = 418,329.84/x - Step 3: Cross multiply
757,861.68x = 1,045,848.96 × 418,329.84 - Step 4: Simplify right side
757,861.68x = 437,509,828,100.97 - Step 5: Solve for x
x = 437,509,828,100.97/757,861.68 - Step 6: Final answer
x = 577,295.09
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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.