Finding the Fourth Proportional to 875,125.50, 1,207,674.27 and 472,717.50
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Solution
The fourth proportional to 875,125.50, 1,207,674.27 and 472,717.50 is: 652,350.73
Step by Step Solution
- Step 1: Write the proportion equation
875,125.50 : 1,207,674.27 = 472,717.50 : x - Step 2: Convert to fraction form
875,125.50/1,207,674.27 = 472,717.50/x - Step 3: Cross multiply
875,125.50x = 1,207,674.27 × 472,717.50 - Step 4: Simplify right side
875,125.50x = 570,888,761,728.73 - Step 5: Solve for x
x = 570,888,761,728.73/875,125.50 - Step 6: Final answer
x = 652,350.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.