Finding the Fourth Proportional to 486,327.65, 671,129.56 and 282,428.68
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Solution
The fourth proportional to 486,327.65, 671,129.56 and 282,428.68 is: 389,750.07
Step by Step Solution
- Step 1: Write the proportion equation
486,327.65 : 671,129.56 = 282,428.68 : x - Step 2: Convert to fraction form
486,327.65/671,129.56 = 282,428.68/x - Step 3: Cross multiply
486,327.65x = 671,129.56 × 282,428.68 - Step 4: Simplify right side
486,327.65x = 189,546,233,355.89 - Step 5: Solve for x
x = 189,546,233,355.89/486,327.65 - Step 6: Final answer
x = 389,750.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.