Finding the Fourth Proportional to 727,300.09, 1,089,842.95 and 347,699.08
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Solution
The fourth proportional to 727,300.09, 1,089,842.95 and 347,699.08 is: 521,019.31
Step by Step Solution
- Step 1: Write the proportion equation
727,300.09 : 1,089,842.95 = 347,699.08 : x - Step 2: Convert to fraction form
727,300.09/1,089,842.95 = 347,699.08/x - Step 3: Cross multiply
727,300.09x = 1,089,842.95 × 347,699.08 - Step 4: Simplify right side
727,300.09x = 378,937,392,856.41 - Step 5: Solve for x
x = 378,937,392,856.41/727,300.09 - Step 6: Final answer
x = 521,019.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.