Finding the Fourth Proportional to 498,560.24, 687,989.22 and 283,680.20
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Solution
The fourth proportional to 498,560.24, 687,989.22 and 283,680.20 is: 391,465.07
Step by Step Solution
- Step 1: Write the proportion equation
498,560.24 : 687,989.22 = 283,680.20 : x - Step 2: Convert to fraction form
498,560.24/687,989.22 = 283,680.20/x - Step 3: Cross multiply
498,560.24x = 687,989.22 × 283,680.20 - Step 4: Simplify right side
498,560.24x = 195,168,919,527.44 - Step 5: Solve for x
x = 195,168,919,527.44/498,560.24 - Step 6: Final answer
x = 391,465.07
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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.