Finding the Fourth Proportional to 853,229.58, 1,177,547.67 and 490,669.26
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Solution
The fourth proportional to 853,229.58, 1,177,547.67 and 490,669.26 is: 677,175.82
Step by Step Solution
- Step 1: Write the proportion equation
853,229.58 : 1,177,547.67 = 490,669.26 : x - Step 2: Convert to fraction form
853,229.58/1,177,547.67 = 490,669.26/x - Step 3: Cross multiply
853,229.58x = 1,177,547.67 × 490,669.26 - Step 4: Simplify right side
853,229.58x = 577,786,443,853.62 - Step 5: Solve for x
x = 577,786,443,853.62/853,229.58 - Step 6: Final answer
x = 677,175.82
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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.