Finding the Fourth Proportional to 941,907.80, 1,299,817.92 and 512,184.17
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Solution
The fourth proportional to 941,907.80, 1,299,817.92 and 512,184.17 is: 706,806.08
Step by Step Solution
- Step 1: Write the proportion equation
941,907.80 : 1,299,817.92 = 512,184.17 : x - Step 2: Convert to fraction form
941,907.80/1,299,817.92 = 512,184.17/x - Step 3: Cross multiply
941,907.80x = 1,299,817.92 × 512,184.17 - Step 4: Simplify right side
941,907.80x = 665,746,156,007.24 - Step 5: Solve for x
x = 665,746,156,007.24/941,907.80 - Step 6: Final answer
x = 706,806.08
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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.