Finding the Fourth Proportional to 710,725.53, 1,066,286.34 and 395,403.87
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Solution
The fourth proportional to 710,725.53, 1,066,286.34 and 395,403.87 is: 593,215.99
Step by Step Solution
- Step 1: Write the proportion equation
710,725.53 : 1,066,286.34 = 395,403.87 : x - Step 2: Convert to fraction form
710,725.53/1,066,286.34 = 395,403.87/x - Step 3: Cross multiply
710,725.53x = 1,066,286.34 × 395,403.87 - Step 4: Simplify right side
710,725.53x = 421,613,745,364.14 - Step 5: Solve for x
x = 421,613,745,364.14/710,725.53 - Step 6: Final answer
x = 593,215.99
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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.