Finding the Fourth Proportional to 715,660.60, 987,704.94 and 461,750.44
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Solution
The fourth proportional to 715,660.60, 987,704.94 and 461,750.44 is: 637,275.81
Step by Step Solution
- Step 1: Write the proportion equation
715,660.60 : 987,704.94 = 461,750.44 : x - Step 2: Convert to fraction form
715,660.60/987,704.94 = 461,750.44/x - Step 3: Cross multiply
715,660.60x = 987,704.94 × 461,750.44 - Step 4: Simplify right side
715,660.60x = 456,073,190,635.17 - Step 5: Solve for x
x = 456,073,190,635.17/715,660.60 - Step 6: Final answer
x = 637,275.81
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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.