Finding the Fourth Proportional to 817,954.96, 1,227,492.91 and 285,476.00
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Solution
The fourth proportional to 817,954.96, 1,227,492.91 and 285,476.00 is: 428,409.60
Step by Step Solution
- Step 1: Write the proportion equation
817,954.96 : 1,227,492.91 = 285,476.00 : x - Step 2: Convert to fraction form
817,954.96/1,227,492.91 = 285,476.00/x - Step 3: Cross multiply
817,954.96x = 1,227,492.91 × 285,476.00 - Step 4: Simplify right side
817,954.96x = 350,419,759,391.64 - Step 5: Solve for x
x = 350,419,759,391.64/817,954.96 - Step 6: Final answer
x = 428,409.60
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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.