Finding the Fourth Proportional to 802,497.78, 1,107,560.99 and 496,672.66
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Solution
The fourth proportional to 802,497.78, 1,107,560.99 and 496,672.66 is: 685,478.86
Step by Step Solution
- Step 1: Write the proportion equation
802,497.78 : 1,107,560.99 = 496,672.66 : x - Step 2: Convert to fraction form
802,497.78/1,107,560.99 = 496,672.66/x - Step 3: Cross multiply
802,497.78x = 1,107,560.99 × 496,672.66 - Step 4: Simplify right side
802,497.78x = 550,095,265,641.67 - Step 5: Solve for x
x = 550,095,265,641.67/802,497.78 - Step 6: Final answer
x = 685,478.86
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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.