Finding the Fourth Proportional to 972,981.39, 1,458,982.09 and 324,327.92
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Solution
The fourth proportional to 972,981.39, 1,458,982.09 and 324,327.92 is: 486,328.55
Step by Step Solution
- Step 1: Write the proportion equation
972,981.39 : 1,458,982.09 = 324,327.92 : x - Step 2: Convert to fraction form
972,981.39/1,458,982.09 = 324,327.92/x - Step 3: Cross multiply
972,981.39x = 1,458,982.09 × 324,327.92 - Step 4: Simplify right side
972,981.39x = 473,188,626,566.95 - Step 5: Solve for x
x = 473,188,626,566.95/972,981.39 - Step 6: Final answer
x = 486,328.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.