Finding the Fourth Proportional to 635,586.40, 877,115.56 and 345,203.63
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Solution
The fourth proportional to 635,586.40, 877,115.56 and 345,203.63 is: 476,384.45
Step by Step Solution
- Step 1: Write the proportion equation
635,586.40 : 877,115.56 = 345,203.63 : x - Step 2: Convert to fraction form
635,586.40/877,115.56 = 345,203.63/x - Step 3: Cross multiply
635,586.40x = 877,115.56 × 345,203.63 - Step 4: Simplify right side
635,586.40x = 302,783,475,241.48 - Step 5: Solve for x
x = 302,783,475,241.48/635,586.40 - Step 6: Final answer
x = 476,384.45
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1.5x scale
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.