Finding the Fourth Proportional to 705,909.08, 1,058,268.81 and 306,249.14
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Solution
The fourth proportional to 705,909.08, 1,058,268.81 and 306,249.14 is: 459,115.66
Step by Step Solution
- Step 1: Write the proportion equation
705,909.08 : 1,058,268.81 = 306,249.14 : x - Step 2: Convert to fraction form
705,909.08/1,058,268.81 = 306,249.14/x - Step 3: Cross multiply
705,909.08x = 1,058,268.81 × 306,249.14 - Step 4: Simplify right side
705,909.08x = 324,093,912,951.32 - Step 5: Solve for x
x = 324,093,912,951.32/705,909.08 - Step 6: Final answer
x = 459,115.66
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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.