Finding the Fourth Proportional to 634,252.56, 875,261.76 and 347,771.76
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Solution
The fourth proportional to 634,252.56, 875,261.76 and 347,771.76 is: 479,921.32
Step by Step Solution
- Step 1: Write the proportion equation
634,252.56 : 875,261.76 = 347,771.76 : x - Step 2: Convert to fraction form
634,252.56/875,261.76 = 347,771.76/x - Step 3: Cross multiply
634,252.56x = 875,261.76 × 347,771.76 - Step 4: Simplify right side
634,252.56x = 304,391,322,735.90 - Step 5: Solve for x
x = 304,391,322,735.90/634,252.56 - Step 6: Final answer
x = 479,921.32
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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.