Finding the Fourth Proportional to 914,801.48, 1,371,963.08 and 274,934.09
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Solution
The fourth proportional to 914,801.48, 1,371,963.08 and 274,934.09 is: 412,329.26
Step by Step Solution
- Step 1: Write the proportion equation
914,801.48 : 1,371,963.08 = 274,934.09 : x - Step 2: Convert to fraction form
914,801.48/1,371,963.08 = 274,934.09/x - Step 3: Cross multiply
914,801.48x = 1,371,963.08 × 274,934.09 - Step 4: Simplify right side
914,801.48x = 377,199,422,906.12 - Step 5: Solve for x
x = 377,199,422,906.12/914,801.48 - Step 6: Final answer
x = 412,329.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.