Finding the Fourth Proportional to 724,754.85, 1,000,163.49 and 402,464.94
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Solution
The fourth proportional to 724,754.85, 1,000,163.49 and 402,464.94 is: 555,402.61
Step by Step Solution
- Step 1: Write the proportion equation
724,754.85 : 1,000,163.49 = 402,464.94 : x - Step 2: Convert to fraction form
724,754.85/1,000,163.49 = 402,464.94/x - Step 3: Cross multiply
724,754.85x = 1,000,163.49 × 402,464.94 - Step 4: Simplify right side
724,754.85x = 402,530,733,230.10 - Step 5: Solve for x
x = 402,530,733,230.10/724,754.85 - Step 6: Final answer
x = 555,402.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.