Finding the Fourth Proportional to 641,836.83, 885,926.84 and 415,497.63
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Solution
The fourth proportional to 641,836.83, 885,926.84 and 415,497.63 is: 573,511.03
Step by Step Solution
- Step 1: Write the proportion equation
641,836.83 : 885,926.84 = 415,497.63 : x - Step 2: Convert to fraction form
641,836.83/885,926.84 = 415,497.63/x - Step 3: Cross multiply
641,836.83x = 885,926.84 × 415,497.63 - Step 4: Simplify right side
641,836.83x = 368,100,500,295.90 - Step 5: Solve for x
x = 368,100,500,295.90/641,836.83 - Step 6: Final answer
x = 573,511.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.