Finding the Fourth Proportional to 821,608.46, 1,133,811.99 and 459,094.79
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Solution
The fourth proportional to 821,608.46, 1,133,811.99 and 459,094.79 is: 633,546.52
Step by Step Solution
- Step 1: Write the proportion equation
821,608.46 : 1,133,811.99 = 459,094.79 : x - Step 2: Convert to fraction form
821,608.46/1,133,811.99 = 459,094.79/x - Step 3: Cross multiply
821,608.46x = 1,133,811.99 × 459,094.79 - Step 4: Simplify right side
821,608.46x = 520,527,177,448.53 - Step 5: Solve for x
x = 520,527,177,448.53/821,608.46 - Step 6: Final answer
x = 633,546.52
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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.