Finding the Fourth Proportional to 621,888.36, 858,195.87 and 349,956.09
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Solution
The fourth proportional to 621,888.36, 858,195.87 and 349,956.09 is: 482,933.74
Step by Step Solution
- Step 1: Write the proportion equation
621,888.36 : 858,195.87 = 349,956.09 : x - Step 2: Convert to fraction form
621,888.36/858,195.87 = 349,956.09/x - Step 3: Cross multiply
621,888.36x = 858,195.87 × 349,956.09 - Step 4: Simplify right side
621,888.36x = 300,330,871,119.35 - Step 5: Solve for x
x = 300,330,871,119.35/621,888.36 - Step 6: Final answer
x = 482,933.74
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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.