Finding the Fourth Proportional to 668,587.25, 922,633.79 and 374,232.84
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Solution
The fourth proportional to 668,587.25, 922,633.79 and 374,232.84 is: 516,432.02
Step by Step Solution
- Step 1: Write the proportion equation
668,587.25 : 922,633.79 = 374,232.84 : x - Step 2: Convert to fraction form
668,587.25/922,633.79 = 374,232.84/x - Step 3: Cross multiply
668,587.25x = 922,633.79 × 374,232.84 - Step 4: Simplify right side
668,587.25x = 345,279,861,640.50 - Step 5: Solve for x
x = 345,279,861,640.50/668,587.25 - Step 6: Final answer
x = 516,432.02
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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.