Finding the Fourth Proportional to 998,544.80, 1,497,817.20 and 367,479.20
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Solution
The fourth proportional to 998,544.80, 1,497,817.20 and 367,479.20 is: 551,218.80
Step by Step Solution
- Step 1: Write the proportion equation
998,544.80 : 1,497,817.20 = 367,479.20 : x - Step 2: Convert to fraction form
998,544.80/1,497,817.20 = 367,479.20/x - Step 3: Cross multiply
998,544.80x = 1,497,817.20 × 367,479.20 - Step 4: Simplify right side
998,544.80x = 550,416,666,402.24 - Step 5: Solve for x
x = 550,416,666,402.24/998,544.80 - Step 6: Final answer
x = 551,218.80
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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.