Finding the Fourth Proportional to 756,749.60, 1,043,723.97 and 484,842.97
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Solution
The fourth proportional to 756,749.60, 1,043,723.97 and 484,842.97 is: 668,704.98
Step by Step Solution
- Step 1: Write the proportion equation
756,749.60 : 1,043,723.97 = 484,842.97 : x - Step 2: Convert to fraction form
756,749.60/1,043,723.97 = 484,842.97/x - Step 3: Cross multiply
756,749.60x = 1,043,723.97 × 484,842.97 - Step 4: Simplify right side
756,749.60x = 506,042,230,779.65 - Step 5: Solve for x
x = 506,042,230,779.65/756,749.60 - Step 6: Final answer
x = 668,704.98
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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.