Finding the Fourth Proportional to 752,371.74, 1,128,623.22 and 246,781.08
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Solution
The fourth proportional to 752,371.74, 1,128,623.22 and 246,781.08 is: 370,193.14
Step by Step Solution
- Step 1: Write the proportion equation
752,371.74 : 1,128,623.22 = 246,781.08 : x - Step 2: Convert to fraction form
752,371.74/1,128,623.22 = 246,781.08/x - Step 3: Cross multiply
752,371.74x = 1,128,623.22 × 246,781.08 - Step 4: Simplify right side
752,371.74x = 278,522,857,144.68 - Step 5: Solve for x
x = 278,522,857,144.68/752,371.74 - Step 6: Final answer
x = 370,193.14
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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.