Finding the Fourth Proportional to 519,860.16, 780,081.84 and 283,219.44
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Solution
The fourth proportional to 519,860.16, 780,081.84 and 283,219.44 is: 424,988.02
Step by Step Solution
- Step 1: Write the proportion equation
519,860.16 : 780,081.84 = 283,219.44 : x - Step 2: Convert to fraction form
519,860.16/780,081.84 = 283,219.44/x - Step 3: Cross multiply
519,860.16x = 780,081.84 × 283,219.44 - Step 4: Simplify right side
519,860.16x = 220,934,341,878.97 - Step 5: Solve for x
x = 220,934,341,878.97/519,860.16 - Step 6: Final answer
x = 424,988.02
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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.