Finding the Fourth Proportional to 898,129.14, 1,347,142.68 and 543,047.82
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Solution
The fourth proportional to 898,129.14, 1,347,142.68 and 543,047.82 is: 814,540.88
Step by Step Solution
- Step 1: Write the proportion equation
898,129.14 : 1,347,142.68 = 543,047.82 : x - Step 2: Convert to fraction form
898,129.14/1,347,142.68 = 543,047.82/x - Step 3: Cross multiply
898,129.14x = 1,347,142.68 × 543,047.82 - Step 4: Simplify right side
898,129.14x = 731,562,895,602.96 - Step 5: Solve for x
x = 731,562,895,602.96/898,129.14 - Step 6: Final answer
x = 814,540.88
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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.