Finding the Fourth Proportional to 700,716.98, 966,989.19 and 378,427.14
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Solution
The fourth proportional to 700,716.98, 966,989.19 and 378,427.14 is: 522,229.32
Step by Step Solution
- Step 1: Write the proportion equation
700,716.98 : 966,989.19 = 378,427.14 : x - Step 2: Convert to fraction form
700,716.98/966,989.19 = 378,427.14/x - Step 3: Cross multiply
700,716.98x = 966,989.19 × 378,427.14 - Step 4: Simplify right side
700,716.98x = 365,934,952,873.07 - Step 5: Solve for x
x = 365,934,952,873.07/700,716.98 - Step 6: Final answer
x = 522,229.32
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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.