Finding the Fourth Proportional to 1,021,464.82, 1,532,193.12 and 311,490.80
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Solution
The fourth proportional to 1,021,464.82, 1,532,193.12 and 311,490.80 is: 467,234.95
Step by Step Solution
- Step 1: Write the proportion equation
1,021,464.82 : 1,532,193.12 = 311,490.80 : x - Step 2: Convert to fraction form
1,021,464.82/1,532,193.12 = 311,490.80/x - Step 3: Cross multiply
1,021,464.82x = 1,532,193.12 × 311,490.80 - Step 4: Simplify right side
1,021,464.82x = 477,264,060,703.30 - Step 5: Solve for x
x = 477,264,060,703.30/1,021,464.82 - Step 6: Final answer
x = 467,234.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.