Finding the Fourth Proportional to 1,008,722.16, 1,512,689.58 and 440,277.12
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Solution
The fourth proportional to 1,008,722.16, 1,512,689.58 and 440,277.12 is: 660,243.86
Step by Step Solution
- Step 1: Write the proportion equation
1,008,722.16 : 1,512,689.58 = 440,277.12 : x - Step 2: Convert to fraction form
1,008,722.16/1,512,689.58 = 440,277.12/x - Step 3: Cross multiply
1,008,722.16x = 1,512,689.58 × 440,277.12 - Step 4: Simplify right side
1,008,722.16x = 666,002,611,736.41 - Step 5: Solve for x
x = 666,002,611,736.41/1,008,722.16 - Step 6: Final answer
x = 660,243.86
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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.