Finding the Fourth Proportional to 519,860.75, 779,812.99 and 253,855.94
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Solution
The fourth proportional to 519,860.75, 779,812.99 and 253,855.94 is: 380,794.58
Step by Step Solution
- Step 1: Write the proportion equation
519,860.75 : 779,812.99 = 253,855.94 : x - Step 2: Convert to fraction form
519,860.75/779,812.99 = 253,855.94/x - Step 3: Cross multiply
519,860.75x = 779,812.99 × 253,855.94 - Step 4: Simplify right side
519,860.75x = 197,960,155,066.96 - Step 5: Solve for x
x = 197,960,155,066.96/519,860.75 - Step 6: Final answer
x = 380,794.58
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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.