Finding the Fourth Proportional to 768,579.96, 1,052,949.64 and 739,838.54
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Solution
The fourth proportional to 768,579.96, 1,052,949.64 and 739,838.54 is: 1,013,574.08
Step by Step Solution
- Step 1: Write the proportion equation
768,579.96 : 1,052,949.64 = 739,838.54 : x - Step 2: Convert to fraction form
768,579.96/1,052,949.64 = 739,838.54/x - Step 3: Cross multiply
768,579.96x = 1,052,949.64 × 739,838.54 - Step 4: Simplify right side
768,579.96x = 779,012,724,351.13 - Step 5: Solve for x
x = 779,012,724,351.13/768,579.96 - Step 6: Final answer
x = 1,013,574.08
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.