Finding the Fourth Proportional to 626,659.99, 864,795.87 and 347,261.85
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Solution
The fourth proportional to 626,659.99, 864,795.87 and 347,261.85 is: 479,224.17
Step by Step Solution
- Step 1: Write the proportion equation
626,659.99 : 864,795.87 = 347,261.85 : x - Step 2: Convert to fraction form
626,659.99/864,795.87 = 347,261.85/x - Step 3: Cross multiply
626,659.99x = 864,795.87 × 347,261.85 - Step 4: Simplify right side
626,659.99x = 300,310,611,952.25 - Step 5: Solve for x
x = 300,310,611,952.25/626,659.99 - Step 6: Final answer
x = 479,224.17
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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.