Finding the Fourth Proportional to 976,863.54, 1,465,795.68 and 465,107.82
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Solution
The fourth proportional to 976,863.54, 1,465,795.68 and 465,107.82 is: 697,899.97
Step by Step Solution
- Step 1: Write the proportion equation
976,863.54 : 1,465,795.68 = 465,107.82 : x - Step 2: Convert to fraction form
976,863.54/1,465,795.68 = 465,107.82/x - Step 3: Cross multiply
976,863.54x = 1,465,795.68 × 465,107.82 - Step 4: Simplify right side
976,863.54x = 681,753,033,290.22 - Step 5: Solve for x
x = 681,753,033,290.22/976,863.54 - Step 6: Final answer
x = 697,899.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.