Finding the Fourth Proportional to 591,838.12, 816,187.62 and 376,753.96
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Solution
The fourth proportional to 591,838.12, 816,187.62 and 376,753.96 is: 519,570.99
Step by Step Solution
- Step 1: Write the proportion equation
591,838.12 : 816,187.62 = 376,753.96 : x - Step 2: Convert to fraction form
591,838.12/816,187.62 = 376,753.96/x - Step 3: Cross multiply
591,838.12x = 816,187.62 × 376,753.96 - Step 4: Simplify right side
591,838.12x = 307,501,917,937.98 - Step 5: Solve for x
x = 307,501,917,937.98/591,838.12 - Step 6: Final answer
x = 519,570.99
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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.