Finding the Fourth Proportional to 815,574.77, 1,125,902.26 and 509,821.23
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Solution
The fourth proportional to 815,574.77, 1,125,902.26 and 509,821.23 is: 703,809.01
Step by Step Solution
- Step 1: Write the proportion equation
815,574.77 : 1,125,902.26 = 509,821.23 : x - Step 2: Convert to fraction form
815,574.77/1,125,902.26 = 509,821.23/x - Step 3: Cross multiply
815,574.77x = 1,125,902.26 × 509,821.23 - Step 4: Simplify right side
815,574.77x = 574,008,875,052.98 - Step 5: Solve for x
x = 574,008,875,052.98/815,574.77 - Step 6: Final answer
x = 703,809.01
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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.