Finding the Fourth Proportional to 1,012,578.84, 1,397,309.67 and 577,098.14
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Solution
The fourth proportional to 1,012,578.84, 1,397,309.67 and 577,098.14 is: 796,367.43
Step by Step Solution
- Step 1: Write the proportion equation
1,012,578.84 : 1,397,309.67 = 577,098.14 : x - Step 2: Convert to fraction form
1,012,578.84/1,397,309.67 = 577,098.14/x - Step 3: Cross multiply
1,012,578.84x = 1,397,309.67 × 577,098.14 - Step 4: Simplify right side
1,012,578.84x = 806,384,804,574.47 - Step 5: Solve for x
x = 806,384,804,574.47/1,012,578.84 - Step 6: Final answer
x = 796,367.43
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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.