Finding the Fourth Proportional to 634,861.01, 876,121.58 and 348,378.59
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Solution
The fourth proportional to 634,861.01, 876,121.58 and 348,378.59 is: 480,769.80
Step by Step Solution
- Step 1: Write the proportion equation
634,861.01 : 876,121.58 = 348,378.59 : x - Step 2: Convert to fraction form
634,861.01/876,121.58 = 348,378.59/x - Step 3: Cross multiply
634,861.01x = 876,121.58 × 348,378.59 - Step 4: Simplify right side
634,861.01x = 305,222,000,708.97 - Step 5: Solve for x
x = 305,222,000,708.97/634,861.01 - Step 6: Final answer
x = 480,769.80
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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.