Finding the Fourth Proportional to 860,207.94, 1,186,956.74 and 492,627.92
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Solution
The fourth proportional to 860,207.94, 1,186,956.74 and 492,627.92 is: 679,751.95
Step by Step Solution
- Step 1: Write the proportion equation
860,207.94 : 1,186,956.74 = 492,627.92 : x - Step 2: Convert to fraction form
860,207.94/1,186,956.74 = 492,627.92/x - Step 3: Cross multiply
860,207.94x = 1,186,956.74 × 492,627.92 - Step 4: Simplify right side
860,207.94x = 584,728,021,558.26 - Step 5: Solve for x
x = 584,728,021,558.26/860,207.94 - Step 6: Final answer
x = 679,751.95
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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.