Finding the Fourth Proportional to 816,171.18, 1,125,993.30 and 471,943.86
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Solution
The fourth proportional to 816,171.18, 1,125,993.30 and 471,943.86 is: 651,095.80
Step by Step Solution
- Step 1: Write the proportion equation
816,171.18 : 1,125,993.30 = 471,943.86 : x - Step 2: Convert to fraction form
816,171.18/1,125,993.30 = 471,943.86/x - Step 3: Cross multiply
816,171.18x = 1,125,993.30 × 471,943.86 - Step 4: Simplify right side
816,171.18x = 531,405,624,336.14 - Step 5: Solve for x
x = 531,405,624,336.14/816,171.18 - Step 6: Final answer
x = 651,095.80
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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.