Finding the Fourth Proportional to 979,079.34, 1,468,286.42 and 339,233.75
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Solution
The fourth proportional to 979,079.34, 1,468,286.42 and 339,233.75 is: 508,735.39
Step by Step Solution
- Step 1: Write the proportion equation
979,079.34 : 1,468,286.42 = 339,233.75 : x - Step 2: Convert to fraction form
979,079.34/1,468,286.42 = 339,233.75/x - Step 3: Cross multiply
979,079.34x = 1,468,286.42 × 339,233.75 - Step 4: Simplify right side
979,079.34x = 498,092,308,330.68 - Step 5: Solve for x
x = 498,092,308,330.68/979,079.34 - Step 6: Final answer
x = 508,735.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.