Finding the Fourth Proportional to 486,502.60, 729,097.80 and 326,122.60
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Solution
The fourth proportional to 486,502.60, 729,097.80 and 326,122.60 is: 488,744.09
Step by Step Solution
- Step 1: Write the proportion equation
486,502.60 : 729,097.80 = 326,122.60 : x - Step 2: Convert to fraction form
486,502.60/729,097.80 = 326,122.60/x - Step 3: Cross multiply
486,502.60x = 729,097.80 × 326,122.60 - Step 4: Simplify right side
486,502.60x = 237,775,270,190.28 - Step 5: Solve for x
x = 237,775,270,190.28/486,502.60 - Step 6: Final answer
x = 488,744.09
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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.