Finding the Fourth Proportional to 756,784.18, 1,135,405.43 and 270,402.62
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Solution
The fourth proportional to 756,784.18, 1,135,405.43 and 270,402.62 is: 405,685.82
Step by Step Solution
- Step 1: Write the proportion equation
756,784.18 : 1,135,405.43 = 270,402.62 : x - Step 2: Convert to fraction form
756,784.18/1,135,405.43 = 270,402.62/x - Step 3: Cross multiply
756,784.18x = 1,135,405.43 × 270,402.62 - Step 4: Simplify right side
756,784.18x = 307,016,607,863.50 - Step 5: Solve for x
x = 307,016,607,863.50/756,784.18 - Step 6: Final answer
x = 405,685.82
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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.