Finding the Fourth Proportional to 868,911.95, 1,199,136.41 and 481,702.74
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Solution
The fourth proportional to 868,911.95, 1,199,136.41 and 481,702.74 is: 664,770.81
Step by Step Solution
- Step 1: Write the proportion equation
868,911.95 : 1,199,136.41 = 481,702.74 : x - Step 2: Convert to fraction form
868,911.95/1,199,136.41 = 481,702.74/x - Step 3: Cross multiply
868,911.95x = 1,199,136.41 × 481,702.74 - Step 4: Simplify right side
868,911.95x = 577,627,297,995.94 - Step 5: Solve for x
x = 577,627,297,995.94/868,911.95 - Step 6: Final answer
x = 664,770.81
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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.