Finding the Fourth Proportional to 672,736.06, 1,007,962.17 and 405,935.95
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Solution
The fourth proportional to 672,736.06, 1,007,962.17 and 405,935.95 is: 608,214.88
Step by Step Solution
- Step 1: Write the proportion equation
672,736.06 : 1,007,962.17 = 405,935.95 : x - Step 2: Convert to fraction form
672,736.06/1,007,962.17 = 405,935.95/x - Step 3: Cross multiply
672,736.06x = 1,007,962.17 × 405,935.95 - Step 4: Simplify right side
672,736.06x = 409,168,081,043.01 - Step 5: Solve for x
x = 409,168,081,043.01/672,736.06 - Step 6: Final answer
x = 608,214.88
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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.