Finding the Fourth Proportional to 713,606.70, 1,068,919.65 and 334,850.70
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Solution
The fourth proportional to 713,606.70, 1,068,919.65 and 334,850.70 is: 501,576.70
Step by Step Solution
- Step 1: Write the proportion equation
713,606.70 : 1,068,919.65 = 334,850.70 : x - Step 2: Convert to fraction form
713,606.70/1,068,919.65 = 334,850.70/x - Step 3: Cross multiply
713,606.70x = 1,068,919.65 × 334,850.70 - Step 4: Simplify right side
713,606.70x = 357,928,493,046.26 - Step 5: Solve for x
x = 357,928,493,046.26/713,606.70 - Step 6: Final answer
x = 501,576.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.