Finding the Fourth Proportional to 998,791.74, 1,378,338.39 and 546,082.74
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Solution
The fourth proportional to 998,791.74, 1,378,338.39 and 546,082.74 is: 753,597.35
Step by Step Solution
- Step 1: Write the proportion equation
998,791.74 : 1,378,338.39 = 546,082.74 : x - Step 2: Convert to fraction form
998,791.74/1,378,338.39 = 546,082.74/x - Step 3: Cross multiply
998,791.74x = 1,378,338.39 × 546,082.74 - Step 4: Simplify right side
998,791.74x = 752,686,804,658.39 - Step 5: Solve for x
x = 752,686,804,658.39/998,791.74 - Step 6: Final answer
x = 753,597.35
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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.