Finding the Fourth Proportional to 585,207.15, 807,635.60 and 330,605.07
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Solution
The fourth proportional to 585,207.15, 807,635.60 and 330,605.07 is: 456,263.09
Step by Step Solution
- Step 1: Write the proportion equation
585,207.15 : 807,635.60 = 330,605.07 : x - Step 2: Convert to fraction form
585,207.15/807,635.60 = 330,605.07/x - Step 3: Cross multiply
585,207.15x = 807,635.60 × 330,605.07 - Step 4: Simplify right side
585,207.15x = 267,008,422,419.47 - Step 5: Solve for x
x = 267,008,422,419.47/585,207.15 - Step 6: Final answer
x = 456,263.09
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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.