Finding the Fourth Proportional to 668,382.92, 922,372.98 and 366,579.08
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Solution
The fourth proportional to 668,382.92, 922,372.98 and 366,579.08 is: 505,881.63
Step by Step Solution
- Step 1: Write the proportion equation
668,382.92 : 922,372.98 = 366,579.08 : x - Step 2: Convert to fraction form
668,382.92/922,372.98 = 366,579.08/x - Step 3: Cross multiply
668,382.92x = 922,372.98 × 366,579.08 - Step 4: Simplify right side
668,382.92x = 338,122,638,425.26 - Step 5: Solve for x
x = 338,122,638,425.26/668,382.92 - Step 6: Final answer
x = 505,881.63
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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.