Finding the Fourth Proportional to 859,537.80, 1,186,030.26 and 496,891.08
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Solution
The fourth proportional to 859,537.80, 1,186,030.26 and 496,891.08 is: 685,633.44
Step by Step Solution
- Step 1: Write the proportion equation
859,537.80 : 1,186,030.26 = 496,891.08 : x - Step 2: Convert to fraction form
859,537.80/1,186,030.26 = 496,891.08/x - Step 3: Cross multiply
859,537.80x = 1,186,030.26 × 496,891.08 - Step 4: Simplify right side
859,537.80x = 589,327,856,804.08 - Step 5: Solve for x
x = 589,327,856,804.08/859,537.80 - Step 6: Final answer
x = 685,633.44
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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.