Finding the Fourth Proportional to 724,163.97, 999,346.83 and 401,874.31
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Solution
The fourth proportional to 724,163.97, 999,346.83 and 401,874.31 is: 554,586.85
Step by Step Solution
- Step 1: Write the proportion equation
724,163.97 : 999,346.83 = 401,874.31 : x - Step 2: Convert to fraction form
724,163.97/999,346.83 = 401,874.31/x - Step 3: Cross multiply
724,163.97x = 999,346.83 × 401,874.31 - Step 4: Simplify right side
724,163.97x = 401,611,817,756.94 - Step 5: Solve for x
x = 401,611,817,756.94/724,163.97 - Step 6: Final answer
x = 554,586.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.