Finding the Fourth Proportional to 816,760.84, 1,225,199.64 and 217,718.92
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Solution
The fourth proportional to 816,760.84, 1,225,199.64 and 217,718.92 is: 326,593.94
Step by Step Solution
- Step 1: Write the proportion equation
816,760.84 : 1,225,199.64 = 217,718.92 : x - Step 2: Convert to fraction form
816,760.84/1,225,199.64 = 217,718.92/x - Step 3: Cross multiply
816,760.84x = 1,225,199.64 × 217,718.92 - Step 4: Simplify right side
816,760.84x = 266,749,142,405.19 - Step 5: Solve for x
x = 266,749,142,405.19/816,760.84 - Step 6: Final answer
x = 326,593.94
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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.