Finding the Fourth Proportional to 843,463.10, 1,265,194.65 and 762,106.70
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Solution
The fourth proportional to 843,463.10, 1,265,194.65 and 762,106.70 is: 1,143,160.05
Step by Step Solution
- Step 1: Write the proportion equation
843,463.10 : 1,265,194.65 = 762,106.70 : x - Step 2: Convert to fraction form
843,463.10/1,265,194.65 = 762,106.70/x - Step 3: Cross multiply
843,463.10x = 1,265,194.65 × 762,106.70 - Step 4: Simplify right side
843,463.10x = 964,213,319,569.16 - Step 5: Solve for x
x = 964,213,319,569.16/843,463.10 - Step 6: Final answer
x = 1,143,160.05
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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.