Finding the Fourth Proportional to 681,577.74, 940,631.34 and 375,708.48
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Solution
The fourth proportional to 681,577.74, 940,631.34 and 375,708.48 is: 518,507.50
Step by Step Solution
- Step 1: Write the proportion equation
681,577.74 : 940,631.34 = 375,708.48 : x - Step 2: Convert to fraction form
681,577.74/940,631.34 = 375,708.48/x - Step 3: Cross multiply
681,577.74x = 940,631.34 × 375,708.48 - Step 4: Simplify right side
681,577.74x = 353,403,170,991.76 - Step 5: Solve for x
x = 353,403,170,991.76/681,577.74 - Step 6: Final answer
x = 518,507.50
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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.