Finding the Fourth Proportional to 634,146.87, 875,122.47 and 347,660.81
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Solution
The fourth proportional to 634,146.87, 875,122.47 and 347,660.81 is: 479,771.80
Step by Step Solution
- Step 1: Write the proportion equation
634,146.87 : 875,122.47 = 347,660.81 : x - Step 2: Convert to fraction form
634,146.87/875,122.47 = 347,660.81/x - Step 3: Cross multiply
634,146.87x = 875,122.47 × 347,660.81 - Step 4: Simplify right side
634,146.87x = 304,245,782,393.79 - Step 5: Solve for x
x = 304,245,782,393.79/634,146.87 - Step 6: Final answer
x = 479,771.80
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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.