Finding the Fourth Proportional to 485,444.92, 728,497.62 and 297,883.96
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Solution
The fourth proportional to 485,444.92, 728,497.62 and 297,883.96 is: 447,028.59
Step by Step Solution
- Step 1: Write the proportion equation
485,444.92 : 728,497.62 = 297,883.96 : x - Step 2: Convert to fraction form
485,444.92/728,497.62 = 297,883.96/x - Step 3: Cross multiply
485,444.92x = 728,497.62 × 297,883.96 - Step 4: Simplify right side
485,444.92x = 217,007,755,896.18 - Step 5: Solve for x
x = 217,007,755,896.18/485,444.92 - Step 6: Final answer
x = 447,028.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.