Finding the Fourth Proportional to 668,239.92, 922,213.08 and 366,433.92
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Solution
The fourth proportional to 668,239.92, 922,213.08 and 366,433.92 is: 505,701.84
Step by Step Solution
- Step 1: Write the proportion equation
668,239.92 : 922,213.08 = 366,433.92 : x - Step 2: Convert to fraction form
668,239.92/922,213.08 = 366,433.92/x - Step 3: Cross multiply
668,239.92x = 922,213.08 × 366,433.92 - Step 4: Simplify right side
668,239.92x = 337,930,153,979.67 - Step 5: Solve for x
x = 337,930,153,979.67/668,239.92 - Step 6: Final answer
x = 505,701.84
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1.5x scale
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.