Finding the Fourth Proportional to 765,634.66, 1,148,207.09 and 253,204.61
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Solution
The fourth proportional to 765,634.66, 1,148,207.09 and 253,204.61 is: 379,725.92
Step by Step Solution
- Step 1: Write the proportion equation
765,634.66 : 1,148,207.09 = 253,204.61 : x - Step 2: Convert to fraction form
765,634.66/1,148,207.09 = 253,204.61/x - Step 3: Cross multiply
765,634.66x = 1,148,207.09 × 253,204.61 - Step 4: Simplify right side
765,634.66x = 290,731,321,415.63 - Step 5: Solve for x
x = 290,731,321,415.63/765,634.66 - Step 6: Final answer
x = 379,725.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.