Finding the Fourth Proportional to 847,377.13, 1,169,095.92 and 479,804.12
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Solution
The fourth proportional to 847,377.13, 1,169,095.92 and 479,804.12 is: 661,968.58
Step by Step Solution
- Step 1: Write the proportion equation
847,377.13 : 1,169,095.92 = 479,804.12 : x - Step 2: Convert to fraction form
847,377.13/1,169,095.92 = 479,804.12/x - Step 3: Cross multiply
847,377.13x = 1,169,095.92 × 479,804.12 - Step 4: Simplify right side
847,377.13x = 560,937,039,091.19 - Step 5: Solve for x
x = 560,937,039,091.19/847,377.13 - Step 6: Final answer
x = 661,968.58
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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.