Finding the Fourth Proportional to 487,297.62, 729,521.07 and 284,272.94
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Solution
The fourth proportional to 487,297.62, 729,521.07 and 284,272.94 is: 425,577.90
Step by Step Solution
- Step 1: Write the proportion equation
487,297.62 : 729,521.07 = 284,272.94 : x - Step 2: Convert to fraction form
487,297.62/729,521.07 = 284,272.94/x - Step 3: Cross multiply
487,297.62x = 729,521.07 × 284,272.94 - Step 4: Simplify right side
487,297.62x = 207,383,095,713.24 - Step 5: Solve for x
x = 207,383,095,713.24/487,297.62 - Step 6: Final answer
x = 425,577.90
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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.