Finding the Fourth Proportional to 651,194.64, 898,640.73 and 379,306.80
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Solution
The fourth proportional to 651,194.64, 898,640.73 and 379,306.80 is: 523,438.80
Step by Step Solution
- Step 1: Write the proportion equation
651,194.64 : 898,640.73 = 379,306.80 : x - Step 2: Convert to fraction form
651,194.64/898,640.73 = 379,306.80/x - Step 3: Cross multiply
651,194.64x = 898,640.73 × 379,306.80 - Step 4: Simplify right side
651,194.64x = 340,860,539,645.96 - Step 5: Solve for x
x = 340,860,539,645.96/651,194.64 - Step 6: Final answer
x = 523,438.80
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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.