Finding the Fourth Proportional to 702,537.42, 1,053,378.99 and 275,561.58
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Solution
The fourth proportional to 702,537.42, 1,053,378.99 and 275,561.58 is: 413,174.83
Step by Step Solution
- Step 1: Write the proportion equation
702,537.42 : 1,053,378.99 = 275,561.58 : x - Step 2: Convert to fraction form
702,537.42/1,053,378.99 = 275,561.58/x - Step 3: Cross multiply
702,537.42x = 1,053,378.99 × 275,561.58 - Step 4: Simplify right side
702,537.42x = 290,270,778,823.20 - Step 5: Solve for x
x = 290,270,778,823.20/702,537.42 - Step 6: Final answer
x = 413,174.83
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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.