Finding the Fourth Proportional to 722,914.08, 1,082,893.68 and 338,112.24
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Solution
The fourth proportional to 722,914.08, 1,082,893.68 and 338,112.24 is: 506,477.35
Step by Step Solution
- Step 1: Write the proportion equation
722,914.08 : 1,082,893.68 = 338,112.24 : x - Step 2: Convert to fraction form
722,914.08/1,082,893.68 = 338,112.24/x - Step 3: Cross multiply
722,914.08x = 1,082,893.68 × 338,112.24 - Step 4: Simplify right side
722,914.08x = 366,139,607,826.64 - Step 5: Solve for x
x = 366,139,607,826.64/722,914.08 - Step 6: Final answer
x = 506,477.35
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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.