Finding the Fourth Proportional to 867,490.49, 1,300,333.59 and 335,376.99
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Solution
The fourth proportional to 867,490.49, 1,300,333.59 and 335,376.99 is: 502,716.71
Step by Step Solution
- Step 1: Write the proportion equation
867,490.49 : 1,300,333.59 = 335,376.99 : x - Step 2: Convert to fraction form
867,490.49/1,300,333.59 = 335,376.99/x - Step 3: Cross multiply
867,490.49x = 1,300,333.59 × 335,376.99 - Step 4: Simplify right side
867,490.49x = 436,101,965,410.09 - Step 5: Solve for x
x = 436,101,965,410.09/867,490.49 - Step 6: Final answer
x = 502,716.71
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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.