Finding the Fourth Proportional to 725,690.63, 1,088,539.42 and 220,256
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Solution
The fourth proportional to 725,690.63, 1,088,539.42 and 220,256 is: 330,385.05
Step by Step Solution
- Step 1: Write the proportion equation
725,690.63 : 1,088,539.42 = 220,256 : x - Step 2: Convert to fraction form
725,690.63/1,088,539.42 = 220,256/x - Step 3: Cross multiply
725,690.63x = 1,088,539.42 × 220,256 - Step 4: Simplify right side
725,690.63x = 239,757,338,491.52 - Step 5: Solve for x
x = 239,757,338,491.52/725,690.63 - Step 6: Final answer
x = 330,385.05
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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.