Finding the Fourth Proportional to 679,950.99, 938,313.32 and 374,027.09
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Solution
The fourth proportional to 679,950.99, 938,313.32 and 374,027.09 is: 516,146.90
Step by Step Solution
- Step 1: Write the proportion equation
679,950.99 : 938,313.32 = 374,027.09 : x - Step 2: Convert to fraction form
679,950.99/938,313.32 = 374,027.09/x - Step 3: Cross multiply
679,950.99x = 938,313.32 × 374,027.09 - Step 4: Simplify right side
679,950.99x = 350,954,594,026.14 - Step 5: Solve for x
x = 350,954,594,026.14/679,950.99 - Step 6: Final answer
x = 516,146.90
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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.