Finding the Fourth Proportional to 891,891.92, 1,338,042.16 and 386,537.66
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Solution
The fourth proportional to 891,891.92, 1,338,042.16 and 386,537.66 is: 579,895.02
Step by Step Solution
- Step 1: Write the proportion equation
891,891.92 : 1,338,042.16 = 386,537.66 : x - Step 2: Convert to fraction form
891,891.92/1,338,042.16 = 386,537.66/x - Step 3: Cross multiply
891,891.92x = 1,338,042.16 × 386,537.66 - Step 4: Simplify right side
891,891.92x = 517,203,685,507.75 - Step 5: Solve for x
x = 517,203,685,507.75/891,891.92 - Step 6: Final answer
x = 579,895.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.