Finding the Fourth Proportional to 821,176.49, 1,133,167.11 and 453,637.37
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Solution
The fourth proportional to 821,176.49, 1,133,167.11 and 453,637.37 is: 625,988.39
Step by Step Solution
- Step 1: Write the proportion equation
821,176.49 : 1,133,167.11 = 453,637.37 : x - Step 2: Convert to fraction form
821,176.49/1,133,167.11 = 453,637.37/x - Step 3: Cross multiply
821,176.49x = 1,133,167.11 × 453,637.37 - Step 4: Simplify right side
821,176.49x = 514,046,947,550.90 - Step 5: Solve for x
x = 514,046,947,550.90/821,176.49 - Step 6: Final answer
x = 625,988.39
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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.