Finding the Fourth Proportional to 998,242.10, 1,378,239.26 and 590,474.94
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Solution
The fourth proportional to 998,242.10, 1,378,239.26 and 590,474.94 is: 815,248.87
Step by Step Solution
- Step 1: Write the proportion equation
998,242.10 : 1,378,239.26 = 590,474.94 : x - Step 2: Convert to fraction form
998,242.10/1,378,239.26 = 590,474.94/x - Step 3: Cross multiply
998,242.10x = 1,378,239.26 × 590,474.94 - Step 4: Simplify right side
998,242.10x = 813,815,744,354.14 - Step 5: Solve for x
x = 813,815,744,354.14/998,242.10 - Step 6: Final answer
x = 815,248.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.