Finding the Fourth Proportional to 496,991.30, 685,829.99 and 303,722.34
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Solution
The fourth proportional to 496,991.30, 685,829.99 and 303,722.34 is: 419,125.83
Step by Step Solution
- Step 1: Write the proportion equation
496,991.30 : 685,829.99 = 303,722.34 : x - Step 2: Convert to fraction form
496,991.30/685,829.99 = 303,722.34/x - Step 3: Cross multiply
496,991.30x = 685,829.99 × 303,722.34 - Step 4: Simplify right side
496,991.30x = 208,301,889,741.78 - Step 5: Solve for x
x = 208,301,889,741.78/496,991.30 - Step 6: Final answer
x = 419,125.83
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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.