Finding the Fourth Proportional to 512,653.77, 768,544.45 and 313,114.14
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Solution
The fourth proportional to 512,653.77, 768,544.45 and 313,114.14 is: 469,404.79
Step by Step Solution
- Step 1: Write the proportion equation
512,653.77 : 768,544.45 = 313,114.14 : x - Step 2: Convert to fraction form
512,653.77/768,544.45 = 313,114.14/x - Step 3: Cross multiply
512,653.77x = 768,544.45 × 313,114.14 - Step 4: Simplify right side
512,653.77x = 240,642,133,730.74 - Step 5: Solve for x
x = 240,642,133,730.74/512,653.77 - Step 6: Final answer
x = 469,404.79
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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.