Finding the Fourth Proportional to 544,493.36, 751,290.18 and 318,095.12
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Solution
The fourth proportional to 544,493.36, 751,290.18 and 318,095.12 is: 438,906.62
Step by Step Solution
- Step 1: Write the proportion equation
544,493.36 : 751,290.18 = 318,095.12 : x - Step 2: Convert to fraction form
544,493.36/751,290.18 = 318,095.12/x - Step 3: Cross multiply
544,493.36x = 751,290.18 × 318,095.12 - Step 4: Simplify right side
544,493.36x = 238,981,739,961.92 - Step 5: Solve for x
x = 238,981,739,961.92/544,493.36 - Step 6: Final answer
x = 438,906.62
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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.