Finding the Fourth Proportional to 994,770.24, 1,490,899.04 and 425,474.70
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Solution
The fourth proportional to 994,770.24, 1,490,899.04 and 425,474.70 is: 637,674.71
Step by Step Solution
- Step 1: Write the proportion equation
994,770.24 : 1,490,899.04 = 425,474.70 : x - Step 2: Convert to fraction form
994,770.24/1,490,899.04 = 425,474.70/x - Step 3: Cross multiply
994,770.24x = 1,490,899.04 × 425,474.70 - Step 4: Simplify right side
994,770.24x = 634,339,821,774.29 - Step 5: Solve for x
x = 634,339,821,774.29/994,770.24 - Step 6: Final answer
x = 637,674.71
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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.