Finding the Fourth Proportional to 668,378.92, 922,367.46 and 366,575.08
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Solution
The fourth proportional to 668,378.92, 922,367.46 and 366,575.08 is: 505,876.11
Step by Step Solution
- Step 1: Write the proportion equation
668,378.92 : 922,367.46 = 366,575.08 : x - Step 2: Convert to fraction form
668,378.92/922,367.46 = 366,575.08/x - Step 3: Cross multiply
668,378.92x = 922,367.46 × 366,575.08 - Step 4: Simplify right side
668,378.92x = 338,116,925,438.90 - Step 5: Solve for x
x = 338,116,925,438.90/668,378.92 - Step 6: Final answer
x = 505,876.11
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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.