Finding the Fourth Proportional to 756,116.87, 1,043,440.72 and 416,585.12
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Solution
The fourth proportional to 756,116.87, 1,043,440.72 and 416,585.12 is: 574,887.15
Step by Step Solution
- Step 1: Write the proportion equation
756,116.87 : 1,043,440.72 = 416,585.12 : x - Step 2: Convert to fraction form
756,116.87/1,043,440.72 = 416,585.12/x - Step 3: Cross multiply
756,116.87x = 1,043,440.72 × 416,585.12 - Step 4: Simplify right side
756,116.87x = 434,681,875,471.16 - Step 5: Solve for x
x = 434,681,875,471.16/756,116.87 - Step 6: Final answer
x = 574,887.15
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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.