Finding the Fourth Proportional to 781,184.07, 1,171,776.11 and 741,293.19
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Solution
The fourth proportional to 781,184.07, 1,171,776.11 and 741,293.19 is: 1,111,939.79
Step by Step Solution
- Step 1: Write the proportion equation
781,184.07 : 1,171,776.11 = 741,293.19 : x - Step 2: Convert to fraction form
781,184.07/1,171,776.11 = 741,293.19/x - Step 3: Cross multiply
781,184.07x = 1,171,776.11 × 741,293.19 - Step 4: Simplify right side
781,184.07x = 868,629,646,841.23 - Step 5: Solve for x
x = 868,629,646,841.23/781,184.07 - Step 6: Final answer
x = 1,111,939.79
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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.