Finding the Fourth Proportional to 526,616.98, 726,730.42 and 284,899.74
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Solution
The fourth proportional to 526,616.98, 726,730.42 and 284,899.74 is: 393,161.09
Step by Step Solution
- Step 1: Write the proportion equation
526,616.98 : 726,730.42 = 284,899.74 : x - Step 2: Convert to fraction form
526,616.98/726,730.42 = 284,899.74/x - Step 3: Cross multiply
526,616.98x = 726,730.42 × 284,899.74 - Step 4: Simplify right side
526,616.98x = 207,045,307,708.09 - Step 5: Solve for x
x = 207,045,307,708.09/526,616.98 - Step 6: Final answer
x = 393,161.09
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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.