Finding the Fourth Proportional to 793,249.42, 1,188,692.52 and 438,364.84
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Solution
The fourth proportional to 793,249.42, 1,188,692.52 and 438,364.84 is: 656,894.28
Step by Step Solution
- Step 1: Write the proportion equation
793,249.42 : 1,188,692.52 = 438,364.84 : x - Step 2: Convert to fraction form
793,249.42/1,188,692.52 = 438,364.84/x - Step 3: Cross multiply
793,249.42x = 1,188,692.52 × 438,364.84 - Step 4: Simplify right side
793,249.42x = 521,081,006,339.00 - Step 5: Solve for x
x = 521,081,006,339.00/793,249.42 - Step 6: Final answer
x = 656,894.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.