Finding the Fourth Proportional to 496,912.10, 745,368.15 and 471,251.30
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Solution
The fourth proportional to 496,912.10, 745,368.15 and 471,251.30 is: 706,876.95
Step by Step Solution
- Step 1: Write the proportion equation
496,912.10 : 745,368.15 = 471,251.30 : x - Step 2: Convert to fraction form
496,912.10/745,368.15 = 471,251.30/x - Step 3: Cross multiply
496,912.10x = 745,368.15 × 471,251.30 - Step 4: Simplify right side
496,912.10x = 351,255,709,666.10 - Step 5: Solve for x
x = 351,255,709,666.10/496,912.10 - Step 6: Final answer
x = 706,876.95
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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.