Finding the Fourth Proportional to 825,207.90, 1,236,645.45 and 508,724.70
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Solution
The fourth proportional to 825,207.90, 1,236,645.45 and 508,724.70 is: 762,367.99
Step by Step Solution
- Step 1: Write the proportion equation
825,207.90 : 1,236,645.45 = 508,724.70 : x - Step 2: Convert to fraction form
825,207.90/1,236,645.45 = 508,724.70/x - Step 3: Cross multiply
825,207.90x = 1,236,645.45 × 508,724.70 - Step 4: Simplify right side
825,207.90x = 629,112,085,557.62 - Step 5: Solve for x
x = 629,112,085,557.62/825,207.90 - Step 6: Final answer
x = 762,367.99
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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.