Finding the Fourth Proportional to 752,686.08, 1,128,912.24 and 220,081.92
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Solution
The fourth proportional to 752,686.08, 1,128,912.24 and 220,081.92 is: 330,088.70
Step by Step Solution
- Step 1: Write the proportion equation
752,686.08 : 1,128,912.24 = 220,081.92 : x - Step 2: Convert to fraction form
752,686.08/1,128,912.24 = 220,081.92/x - Step 3: Cross multiply
752,686.08x = 1,128,912.24 × 220,081.92 - Step 4: Simplify right side
752,686.08x = 248,453,173,290.70 - Step 5: Solve for x
x = 248,453,173,290.70/752,686.08 - Step 6: Final answer
x = 330,088.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.