Finding the Fourth Proportional to 836,502.94, 1,154,371.68 and 454,529.62
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Solution
The fourth proportional to 836,502.94, 1,154,371.68 and 454,529.62 is: 627,249.58
Step by Step Solution
- Step 1: Write the proportion equation
836,502.94 : 1,154,371.68 = 454,529.62 : x - Step 2: Convert to fraction form
836,502.94/1,154,371.68 = 454,529.62/x - Step 3: Cross multiply
836,502.94x = 1,154,371.68 × 454,529.62 - Step 4: Simplify right side
836,502.94x = 524,696,122,492.13 - Step 5: Solve for x
x = 524,696,122,492.13/836,502.94 - Step 6: Final answer
x = 627,249.58
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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.