Finding the Fourth Proportional to 413,624.24, 620,961.36 and 351,688.40
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Solution
The fourth proportional to 413,624.24, 620,961.36 and 351,688.40 is: 527,978.99
Step by Step Solution
- Step 1: Write the proportion equation
413,624.24 : 620,961.36 = 351,688.40 : x - Step 2: Convert to fraction form
413,624.24/620,961.36 = 351,688.40/x - Step 3: Cross multiply
413,624.24x = 620,961.36 × 351,688.40 - Step 4: Simplify right side
413,624.24x = 218,384,907,160.22 - Step 5: Solve for x
x = 218,384,907,160.22/413,624.24 - Step 6: Final answer
x = 527,978.99
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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.