Finding the Fourth Proportional to 958,861.97, 1,438,527.05 and 319,164.47
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Solution
The fourth proportional to 958,861.97, 1,438,527.05 and 319,164.47 is: 478,824.62
Step by Step Solution
- Step 1: Write the proportion equation
958,861.97 : 1,438,527.05 = 319,164.47 : x - Step 2: Convert to fraction form
958,861.97/1,438,527.05 = 319,164.47/x - Step 3: Cross multiply
958,861.97x = 1,438,527.05 × 319,164.47 - Step 4: Simplify right side
958,861.97x = 459,126,714,705.46 - Step 5: Solve for x
x = 459,126,714,705.46/958,861.97 - Step 6: Final answer
x = 478,824.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.