Finding the Fourth Proportional to 674,748.62, 931,178.13 and 368,845.75
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Solution
The fourth proportional to 674,748.62, 931,178.13 and 368,845.75 is: 509,020.82
Step by Step Solution
- Step 1: Write the proportion equation
674,748.62 : 931,178.13 = 368,845.75 : x - Step 2: Convert to fraction form
674,748.62/931,178.13 = 368,845.75/x - Step 3: Cross multiply
674,748.62x = 931,178.13 × 368,845.75 - Step 4: Simplify right side
674,748.62x = 343,461,095,524.25 - Step 5: Solve for x
x = 343,461,095,524.25/674,748.62 - Step 6: Final answer
x = 509,020.82
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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.