Finding the Fourth Proportional to 836,706.18, 1,154,662.17 and 454,733.94
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Solution
The fourth proportional to 836,706.18, 1,154,662.17 and 454,733.94 is: 627,536.99
Step by Step Solution
- Step 1: Write the proportion equation
836,706.18 : 1,154,662.17 = 454,733.94 : x - Step 2: Convert to fraction form
836,706.18/1,154,662.17 = 454,733.94/x - Step 3: Cross multiply
836,706.18x = 1,154,662.17 × 454,733.94 - Step 4: Simplify right side
836,706.18x = 525,064,077,933.05 - Step 5: Solve for x
x = 525,064,077,933.05/836,706.18 - Step 6: Final answer
x = 627,536.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.