Finding the Fourth Proportional to 721,528.18, 1,082,460.69 and 209,204.03
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Solution
The fourth proportional to 721,528.18, 1,082,460.69 and 209,204.03 is: 313,854.88
Step by Step Solution
- Step 1: Write the proportion equation
721,528.18 : 1,082,460.69 = 209,204.03 : x - Step 2: Convert to fraction form
721,528.18/1,082,460.69 = 209,204.03/x - Step 3: Cross multiply
721,528.18x = 1,082,460.69 × 209,204.03 - Step 4: Simplify right side
721,528.18x = 226,455,138,664.58 - Step 5: Solve for x
x = 226,455,138,664.58/721,528.18 - Step 6: Final answer
x = 313,854.88
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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.