Finding the Fourth Proportional to 577,689.84, 796,943.41 and 373,806.36
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Solution
The fourth proportional to 577,689.84, 796,943.41 and 373,806.36 is: 515,678.99
Step by Step Solution
- Step 1: Write the proportion equation
577,689.84 : 796,943.41 = 373,806.36 : x - Step 2: Convert to fraction form
577,689.84/796,943.41 = 373,806.36/x - Step 3: Cross multiply
577,689.84x = 796,943.41 × 373,806.36 - Step 4: Simplify right side
577,689.84x = 297,902,514,283.57 - Step 5: Solve for x
x = 297,902,514,283.57/577,689.84 - Step 6: Final answer
x = 515,678.99
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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.