Finding the Fourth Proportional to 757,619.20, 1,136,133.12 and 284,046.08
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Solution
The fourth proportional to 757,619.20, 1,136,133.12 and 284,046.08 is: 425,958.26
Step by Step Solution
- Step 1: Write the proportion equation
757,619.20 : 1,136,133.12 = 284,046.08 : x - Step 2: Convert to fraction form
757,619.20/1,136,133.12 = 284,046.08/x - Step 3: Cross multiply
757,619.20x = 1,136,133.12 × 284,046.08 - Step 4: Simplify right side
757,619.20x = 322,714,159,094.17 - Step 5: Solve for x
x = 322,714,159,094.17/757,619.20 - Step 6: Final answer
x = 425,958.26
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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.