Finding the Fourth Proportional to 754,488.68, 1,131,716.58 and 354,907.96
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Solution
The fourth proportional to 754,488.68, 1,131,716.58 and 354,907.96 is: 532,354.21
Step by Step Solution
- Step 1: Write the proportion equation
754,488.68 : 1,131,716.58 = 354,907.96 : x - Step 2: Convert to fraction form
754,488.68/1,131,716.58 = 354,907.96/x - Step 3: Cross multiply
754,488.68x = 1,131,716.58 × 354,907.96 - Step 4: Simplify right side
754,488.68x = 401,655,222,705.98 - Step 5: Solve for x
x = 401,655,222,705.98/754,488.68 - Step 6: Final answer
x = 532,354.21
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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.