Finding the Fourth Proportional to 668,539.68, 922,529.92 and 366,733.68
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Solution
The fourth proportional to 668,539.68, 922,529.92 and 366,733.68 is: 506,062.40
Step by Step Solution
- Step 1: Write the proportion equation
668,539.68 : 922,529.92 = 366,733.68 : x - Step 2: Convert to fraction form
668,539.68/922,529.92 = 366,733.68/x - Step 3: Cross multiply
668,539.68x = 922,529.92 × 366,733.68 - Step 4: Simplify right side
668,539.68x = 338,322,792,471.71 - Step 5: Solve for x
x = 338,322,792,471.71/668,539.68 - Step 6: Final answer
x = 506,062.40
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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.