Finding the Fourth Proportional to 724,163.17, 999,379.26 and 401,875.93
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Solution
The fourth proportional to 724,163.17, 999,379.26 and 401,875.93 is: 554,607.70
Step by Step Solution
- Step 1: Write the proportion equation
724,163.17 : 999,379.26 = 401,875.93 : x - Step 2: Convert to fraction form
724,163.17/999,379.26 = 401,875.93/x - Step 3: Cross multiply
724,163.17x = 999,379.26 × 401,875.93 - Step 4: Simplify right side
724,163.17x = 401,626,469,535.21 - Step 5: Solve for x
x = 401,626,469,535.21/724,163.17 - Step 6: Final answer
x = 554,607.70
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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.