Finding the Fourth Proportional to 992,332.12, 1,486,786.20 and 543,376.12
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Solution
The fourth proportional to 992,332.12, 1,486,786.20 and 543,376.12 is: 814,126.74
Step by Step Solution
- Step 1: Write the proportion equation
992,332.12 : 1,486,786.20 = 543,376.12 : x - Step 2: Convert to fraction form
992,332.12/1,486,786.20 = 543,376.12/x - Step 3: Cross multiply
992,332.12x = 1,486,786.20 × 543,376.12 - Step 4: Simplify right side
992,332.12x = 807,884,116,625.54 - Step 5: Solve for x
x = 807,884,116,625.54/992,332.12 - Step 6: Final answer
x = 814,126.74
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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.