Finding the Fourth Proportional to 998,241.10, 1,378,237.88 and 590,473.94
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Solution
The fourth proportional to 998,241.10, 1,378,237.88 and 590,473.94 is: 815,247.49
Step by Step Solution
- Step 1: Write the proportion equation
998,241.10 : 1,378,237.88 = 590,473.94 : x - Step 2: Convert to fraction form
998,241.10/1,378,237.88 = 590,473.94/x - Step 3: Cross multiply
998,241.10x = 1,378,237.88 × 590,473.94 - Step 4: Simplify right side
998,241.10x = 813,813,545,845.84 - Step 5: Solve for x
x = 813,813,545,845.84/998,241.10 - Step 6: Final answer
x = 815,247.49
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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.