Finding the Fourth Proportional to 608,322.09, 839,489.92 and 336,408.28
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Solution
The fourth proportional to 608,322.09, 839,489.92 and 336,408.28 is: 464,246.43
Step by Step Solution
- Step 1: Write the proportion equation
608,322.09 : 839,489.92 = 336,408.28 : x - Step 2: Convert to fraction form
608,322.09/839,489.92 = 336,408.28/x - Step 3: Cross multiply
608,322.09x = 839,489.92 × 336,408.28 - Step 4: Simplify right side
608,322.09x = 282,411,355,026.07 - Step 5: Solve for x
x = 282,411,355,026.07/608,322.09 - Step 6: Final answer
x = 464,246.43
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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.