Finding the Fourth Proportional to 611,928.97, 844,442.93 and 336,286.17
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Solution
The fourth proportional to 611,928.97, 844,442.93 and 336,286.17 is: 464,064.45
Step by Step Solution
- Step 1: Write the proportion equation
611,928.97 : 844,442.93 = 336,286.17 : x - Step 2: Convert to fraction form
611,928.97/844,442.93 = 336,286.17/x - Step 3: Cross multiply
611,928.97x = 844,442.93 × 336,286.17 - Step 4: Simplify right side
611,928.97x = 283,974,478,713.28 - Step 5: Solve for x
x = 283,974,478,713.28/611,928.97 - Step 6: Final answer
x = 464,064.45
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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.