Finding the Fourth Proportional to 998,843.13, 1,498,278.53 and 324,927.95
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Solution
The fourth proportional to 998,843.13, 1,498,278.53 and 324,927.95 is: 487,396.43
Step by Step Solution
- Step 1: Write the proportion equation
998,843.13 : 1,498,278.53 = 324,927.95 : x - Step 2: Convert to fraction form
998,843.13/1,498,278.53 = 324,927.95/x - Step 3: Cross multiply
998,843.13x = 1,498,278.53 × 324,927.95 - Step 4: Simplify right side
998,843.13x = 486,832,573,402.97 - Step 5: Solve for x
x = 486,832,573,402.97/998,843.13 - Step 6: Final answer
x = 487,396.43
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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.