Finding the Fourth Proportional to 705,615.44, 1,058,601.36 and 306,159.08
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Solution
The fourth proportional to 705,615.44, 1,058,601.36 and 306,159.08 is: 459,315.94
Step by Step Solution
- Step 1: Write the proportion equation
705,615.44 : 1,058,601.36 = 306,159.08 : x - Step 2: Convert to fraction form
705,615.44/1,058,601.36 = 306,159.08/x - Step 3: Cross multiply
705,615.44x = 1,058,601.36 × 306,159.08 - Step 4: Simplify right side
705,615.44x = 324,100,418,464.35 - Step 5: Solve for x
x = 324,100,418,464.35/705,615.44 - Step 6: Final answer
x = 459,315.94
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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.