Finding the Fourth Proportional to 838,382.24, 1,157,118.39 and 494,197.74
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Solution
The fourth proportional to 838,382.24, 1,157,118.39 and 494,197.74 is: 682,081.83
Step by Step Solution
- Step 1: Write the proportion equation
838,382.24 : 1,157,118.39 = 494,197.74 : x - Step 2: Convert to fraction form
838,382.24/1,157,118.39 = 494,197.74/x - Step 3: Cross multiply
838,382.24x = 1,157,118.39 × 494,197.74 - Step 4: Simplify right side
838,382.24x = 571,845,293,250.44 - Step 5: Solve for x
x = 571,845,293,250.44/838,382.24 - Step 6: Final answer
x = 682,081.83
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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.