Finding the Fourth Proportional to 754,788.76, 1,132,146.15 and 281,437.09
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Solution
The fourth proportional to 754,788.76, 1,132,146.15 and 281,437.09 is: 422,141.84
Step by Step Solution
- Step 1: Write the proportion equation
754,788.76 : 1,132,146.15 = 281,437.09 : x - Step 2: Convert to fraction form
754,788.76/1,132,146.15 = 281,437.09/x - Step 3: Cross multiply
754,788.76x = 1,132,146.15 × 281,437.09 - Step 4: Simplify right side
754,788.76x = 318,627,917,910.70 - Step 5: Solve for x
x = 318,627,917,910.70/754,788.76 - Step 6: Final answer
x = 422,141.84
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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.