Finding the Fourth Proportional to 568,368.88, 784,349.12 and 313,720.14
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Solution
The fourth proportional to 568,368.88, 784,349.12 and 313,720.14 is: 432,933.83
Step by Step Solution
- Step 1: Write the proportion equation
568,368.88 : 784,349.12 = 313,720.14 : x - Step 2: Convert to fraction form
568,368.88/784,349.12 = 313,720.14/x - Step 3: Cross multiply
568,368.88x = 784,349.12 × 313,720.14 - Step 4: Simplify right side
568,368.88x = 246,066,115,735.28 - Step 5: Solve for x
x = 246,066,115,735.28/568,368.88 - Step 6: Final answer
x = 432,933.83
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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.