Finding the Fourth Proportional to 870,650.19, 1,306,479.51 and 365,166.05
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Solution
The fourth proportional to 870,650.19, 1,306,479.51 and 365,166.05 is: 547,960.55
Step by Step Solution
- Step 1: Write the proportion equation
870,650.19 : 1,306,479.51 = 365,166.05 : x - Step 2: Convert to fraction form
870,650.19/1,306,479.51 = 365,166.05/x - Step 3: Cross multiply
870,650.19x = 1,306,479.51 × 365,166.05 - Step 4: Simplify right side
870,650.19x = 477,081,955,540.24 - Step 5: Solve for x
x = 477,081,955,540.24/870,650.19 - Step 6: Final answer
x = 547,960.55
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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.