Finding the Fourth Proportional to 488,750.08, 674,804.64 and 305,268.88
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Solution
The fourth proportional to 488,750.08, 674,804.64 and 305,268.88 is: 421,476.88
Step by Step Solution
- Step 1: Write the proportion equation
488,750.08 : 674,804.64 = 305,268.88 : x - Step 2: Convert to fraction form
488,750.08/674,804.64 = 305,268.88/x - Step 3: Cross multiply
488,750.08x = 674,804.64 × 305,268.88 - Step 4: Simplify right side
488,750.08x = 205,996,856,671.60 - Step 5: Solve for x
x = 205,996,856,671.60/488,750.08 - Step 6: Final answer
x = 421,476.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.