Finding the Fourth Proportional to 543,364.26, 813,986.07 and 355,807.14
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Solution
The fourth proportional to 543,364.26, 813,986.07 and 355,807.14 is: 533,016.39
Step by Step Solution
- Step 1: Write the proportion equation
543,364.26 : 813,986.07 = 355,807.14 : x - Step 2: Convert to fraction form
543,364.26/813,986.07 = 355,807.14/x - Step 3: Cross multiply
543,364.26x = 813,986.07 × 355,807.14 - Step 4: Simplify right side
543,364.26x = 289,622,055,566.54 - Step 5: Solve for x
x = 289,622,055,566.54/543,364.26 - Step 6: Final answer
x = 533,016.39
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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.