Finding the Fourth Proportional to 998,857.98, 1,378,403.10 and 546,148.98
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Solution
The fourth proportional to 998,857.98, 1,378,403.10 and 546,148.98 is: 753,674.16
Step by Step Solution
- Step 1: Write the proportion equation
998,857.98 : 1,378,403.10 = 546,148.98 : x - Step 2: Convert to fraction form
998,857.98/1,378,403.10 = 546,148.98/x - Step 3: Cross multiply
998,857.98x = 1,378,403.10 × 546,148.98 - Step 4: Simplify right side
998,857.98x = 752,813,447,093.84 - Step 5: Solve for x
x = 752,813,447,093.84/998,857.98 - Step 6: Final answer
x = 753,674.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.