Finding the Fourth Proportional to 818,232.09, 1,128,578.63 and 546,162.81
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Solution
The fourth proportional to 818,232.09, 1,128,578.63 and 546,162.81 is: 753,316.43
Step by Step Solution
- Step 1: Write the proportion equation
818,232.09 : 1,128,578.63 = 546,162.81 : x - Step 2: Convert to fraction form
818,232.09/1,128,578.63 = 546,162.81/x - Step 3: Cross multiply
818,232.09x = 1,128,578.63 × 546,162.81 - Step 4: Simplify right side
818,232.09x = 616,387,675,866.75 - Step 5: Solve for x
x = 616,387,675,866.75/818,232.09 - Step 6: Final answer
x = 753,316.43
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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.