Finding the Fourth Proportional to 756,156.12, 1,043,494.62 and 416,624.28
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Solution
The fourth proportional to 756,156.12, 1,043,494.62 and 416,624.28 is: 574,941.05
Step by Step Solution
- Step 1: Write the proportion equation
756,156.12 : 1,043,494.62 = 416,624.28 : x - Step 2: Convert to fraction form
756,156.12/1,043,494.62 = 416,624.28/x - Step 3: Cross multiply
756,156.12x = 1,043,494.62 × 416,624.28 - Step 4: Simplify right side
756,156.12x = 434,745,194,741.37 - Step 5: Solve for x
x = 434,745,194,741.37/756,156.12 - Step 6: Final answer
x = 574,941.05
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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.