Finding the Fourth Proportional to 428,652.72, 591,693.84 and 292,589.28
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Solution
The fourth proportional to 428,652.72, 591,693.84 and 292,589.28 is: 403,877.70
Step by Step Solution
- Step 1: Write the proportion equation
428,652.72 : 591,693.84 = 292,589.28 : x - Step 2: Convert to fraction form
428,652.72/591,693.84 = 292,589.28/x - Step 3: Cross multiply
428,652.72x = 591,693.84 × 292,589.28 - Step 4: Simplify right side
428,652.72x = 173,123,274,626.04 - Step 5: Solve for x
x = 173,123,274,626.04/428,652.72 - Step 6: Final answer
x = 403,877.70
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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.