Finding the Fourth Proportional to 847,609.07, 1,169,694.96 and 460,420.97
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Solution
The fourth proportional to 847,609.07, 1,169,694.96 and 460,420.97 is: 635,377.92
Step by Step Solution
- Step 1: Write the proportion equation
847,609.07 : 1,169,694.96 = 460,420.97 : x - Step 2: Convert to fraction form
847,609.07/1,169,694.96 = 460,420.97/x - Step 3: Cross multiply
847,609.07x = 1,169,694.96 × 460,420.97 - Step 4: Simplify right side
847,609.07x = 538,552,088,087.31 - Step 5: Solve for x
x = 538,552,088,087.31/847,609.07 - Step 6: Final answer
x = 635,377.92
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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.