Finding the Fourth Proportional to 724,167.05, 999,384.62 and 401,879.79
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Solution
The fourth proportional to 724,167.05, 999,384.62 and 401,879.79 is: 554,613.03
Step by Step Solution
- Step 1: Write the proportion equation
724,167.05 : 999,384.62 = 401,879.79 : x - Step 2: Convert to fraction form
724,167.05/999,384.62 = 401,879.79/x - Step 3: Cross multiply
724,167.05x = 999,384.62 × 401,879.79 - Step 4: Simplify right side
724,167.05x = 401,632,479,205.43 - Step 5: Solve for x
x = 401,632,479,205.43/724,167.05 - Step 6: Final answer
x = 554,613.03
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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.