Finding the Fourth Proportional to 758,544.74, 1,137,983.25 and 285,230.09
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Solution
The fourth proportional to 758,544.74, 1,137,983.25 and 285,230.09 is: 427,907.61
Step by Step Solution
- Step 1: Write the proportion equation
758,544.74 : 1,137,983.25 = 285,230.09 : x - Step 2: Convert to fraction form
758,544.74/1,137,983.25 = 285,230.09/x - Step 3: Cross multiply
758,544.74x = 1,137,983.25 × 285,230.09 - Step 4: Simplify right side
758,544.74x = 324,587,067,660.95 - Step 5: Solve for x
x = 324,587,067,660.95/758,544.74 - Step 6: Final answer
x = 427,907.61
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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.