Finding the Fourth Proportional to 514,370.68, 709,806.84 and 284,912.47
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Solution
The fourth proportional to 514,370.68, 709,806.84 and 284,912.47 is: 393,165.53
Step by Step Solution
- Step 1: Write the proportion equation
514,370.68 : 709,806.84 = 284,912.47 : x - Step 2: Convert to fraction form
514,370.68/709,806.84 = 284,912.47/x - Step 3: Cross multiply
514,370.68x = 709,806.84 × 284,912.47 - Step 4: Simplify right side
514,370.68x = 202,232,820,007.30 - Step 5: Solve for x
x = 202,232,820,007.30/514,370.68 - Step 6: Final answer
x = 393,165.53
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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.