Finding the Fourth Proportional to 765,121.69, 1,054,193.56 and 506,559.97
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Solution
The fourth proportional to 765,121.69, 1,054,193.56 and 506,559.97 is: 697,944.22
Step by Step Solution
- Step 1: Write the proportion equation
765,121.69 : 1,054,193.56 = 506,559.97 : x - Step 2: Convert to fraction form
765,121.69/1,054,193.56 = 506,559.97/x - Step 3: Cross multiply
765,121.69x = 1,054,193.56 × 506,559.97 - Step 4: Simplify right side
765,121.69x = 534,012,258,127.79 - Step 5: Solve for x
x = 534,012,258,127.79/765,121.69 - Step 6: Final answer
x = 697,944.22
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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.