Finding the Fourth Proportional to 998,076.80, 1,497,544.16 and 324,364.61
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Solution
The fourth proportional to 998,076.80, 1,497,544.16 and 324,364.61 is: 486,686.32
Step by Step Solution
- Step 1: Write the proportion equation
998,076.80 : 1,497,544.16 = 324,364.61 : x - Step 2: Convert to fraction form
998,076.80/1,497,544.16 = 324,364.61/x - Step 3: Cross multiply
998,076.80x = 1,497,544.16 × 324,364.61 - Step 4: Simplify right side
998,076.80x = 485,750,318,306.63 - Step 5: Solve for x
x = 485,750,318,306.63/998,076.80 - Step 6: Final answer
x = 486,686.32
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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.