Finding the Fourth Proportional to 715,621.60, 987,651.24 and 461,711.44
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Solution
The fourth proportional to 715,621.60, 987,651.24 and 461,711.44 is: 637,222.07
Step by Step Solution
- Step 1: Write the proportion equation
715,621.60 : 987,651.24 = 461,711.44 : x - Step 2: Convert to fraction form
715,621.60/987,651.24 = 461,711.44/x - Step 3: Cross multiply
715,621.60x = 987,651.24 × 461,711.44 - Step 4: Simplify right side
715,621.60x = 456,009,876,238.19 - Step 5: Solve for x
x = 456,009,876,238.19/715,621.60 - Step 6: Final answer
x = 637,222.07
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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.