Finding the Fourth Proportional to 757,607.99, 1,136,079.41 and 283,961.18
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Solution
The fourth proportional to 757,607.99, 1,136,079.41 and 283,961.18 is: 425,817.12
Step by Step Solution
- Step 1: Write the proportion equation
757,607.99 : 1,136,079.41 = 283,961.18 : x - Step 2: Convert to fraction form
757,607.99/1,136,079.41 = 283,961.18/x - Step 3: Cross multiply
757,607.99x = 1,136,079.41 × 283,961.18 - Step 4: Simplify right side
757,607.99x = 322,602,451,257.70 - Step 5: Solve for x
x = 322,602,451,257.70/757,607.99 - Step 6: Final answer
x = 425,817.12
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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.