Finding the Fourth Proportional to 853,359.35, 1,280,088.16 and 320,884.99
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Solution
The fourth proportional to 853,359.35, 1,280,088.16 and 320,884.99 is: 481,345.96
Step by Step Solution
- Step 1: Write the proportion equation
853,359.35 : 1,280,088.16 = 320,884.99 : x - Step 2: Convert to fraction form
853,359.35/1,280,088.16 = 320,884.99/x - Step 3: Cross multiply
853,359.35x = 1,280,088.16 × 320,884.99 - Step 4: Simplify right side
853,359.35x = 410,761,079,618.78 - Step 5: Solve for x
x = 410,761,079,618.78/853,359.35 - Step 6: Final answer
x = 481,345.96
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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.