Finding the Fourth Proportional to 641,434.23, 961,866.99 and 341,858.97
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Solution
The fourth proportional to 641,434.23, 961,866.99 and 341,858.97 is: 512,636.91
Step by Step Solution
- Step 1: Write the proportion equation
641,434.23 : 961,866.99 = 341,858.97 : x - Step 2: Convert to fraction form
641,434.23/961,866.99 = 341,858.97/x - Step 3: Cross multiply
641,434.23x = 961,866.99 × 341,858.97 - Step 4: Simplify right side
641,434.23x = 328,822,858,478.40 - Step 5: Solve for x
x = 328,822,858,478.40/641,434.23 - Step 6: Final answer
x = 512,636.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.