Finding the Fourth Proportional to 758,546.74, 1,137,986.26 and 285,232.10
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Solution
The fourth proportional to 758,546.74, 1,137,986.26 and 285,232.10 is: 427,910.63
Step by Step Solution
- Step 1: Write the proportion equation
758,546.74 : 1,137,986.26 = 285,232.10 : x - Step 2: Convert to fraction form
758,546.74/1,137,986.26 = 285,232.10/x - Step 3: Cross multiply
758,546.74x = 1,137,986.26 × 285,232.10 - Step 4: Simplify right side
758,546.74x = 324,590,210,710.95 - Step 5: Solve for x
x = 324,590,210,710.95/758,546.74 - Step 6: Final answer
x = 427,910.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.