Finding the Fourth Proportional to 847,935.92, 1,168,982.20 and 676,435.84
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Solution
The fourth proportional to 847,935.92, 1,168,982.20 and 676,435.84 is: 932,548.60
Step by Step Solution
- Step 1: Write the proportion equation
847,935.92 : 1,168,982.20 = 676,435.84 : x - Step 2: Convert to fraction form
847,935.92/1,168,982.20 = 676,435.84/x - Step 3: Cross multiply
847,935.92x = 1,168,982.20 × 676,435.84 - Step 4: Simplify right side
847,935.92x = 790,741,456,402.05 - Step 5: Solve for x
x = 790,741,456,402.05/847,935.92 - Step 6: Final answer
x = 932,548.60
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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.