Finding the Fourth Proportional to 998,536.80, 1,497,805.20 and 367,471.20
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Solution
The fourth proportional to 998,536.80, 1,497,805.20 and 367,471.20 is: 551,206.80
Step by Step Solution
- Step 1: Write the proportion equation
998,536.80 : 1,497,805.20 = 367,471.20 : x - Step 2: Convert to fraction form
998,536.80/1,497,805.20 = 367,471.20/x - Step 3: Cross multiply
998,536.80x = 1,497,805.20 × 367,471.20 - Step 4: Simplify right side
998,536.80x = 550,400,274,210.24 - Step 5: Solve for x
x = 550,400,274,210.24/998,536.80 - Step 6: Final answer
x = 551,206.80
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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.