Finding the Fourth Proportional to 519,847.82, 777,997.52 and 435,702.99
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Solution
The fourth proportional to 519,847.82, 777,997.52 and 435,702.99 is: 652,067.46
Step by Step Solution
- Step 1: Write the proportion equation
519,847.82 : 777,997.52 = 435,702.99 : x - Step 2: Convert to fraction form
519,847.82/777,997.52 = 435,702.99/x - Step 3: Cross multiply
519,847.82x = 777,997.52 × 435,702.99 - Step 4: Simplify right side
519,847.82x = 338,975,843,498.07 - Step 5: Solve for x
x = 338,975,843,498.07/519,847.82 - Step 6: Final answer
x = 652,067.46
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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.