Finding the Fourth Proportional to 716,092.08, 988,187.37 and 393,802.18
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Solution
The fourth proportional to 716,092.08, 988,187.37 and 393,802.18 is: 543,436.17
Step by Step Solution
- Step 1: Write the proportion equation
716,092.08 : 988,187.37 = 393,802.18 : x - Step 2: Convert to fraction form
716,092.08/988,187.37 = 393,802.18/x - Step 3: Cross multiply
716,092.08x = 988,187.37 × 393,802.18 - Step 4: Simplify right side
716,092.08x = 389,150,338,585.46 - Step 5: Solve for x
x = 389,150,338,585.46/716,092.08 - Step 6: Final answer
x = 543,436.17
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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.