Finding the Fourth Proportional to 727,489.10, 1,089,370.42 and 607,247.08
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Solution
The fourth proportional to 727,489.10, 1,089,370.42 and 607,247.08 is: 909,315.35
Step by Step Solution
- Step 1: Write the proportion equation
727,489.10 : 1,089,370.42 = 607,247.08 : x - Step 2: Convert to fraction form
727,489.10/1,089,370.42 = 607,247.08/x - Step 3: Cross multiply
727,489.10x = 1,089,370.42 × 607,247.08 - Step 4: Simplify right side
727,489.10x = 661,517,002,341.83 - Step 5: Solve for x
x = 661,517,002,341.83/727,489.10 - Step 6: Final answer
x = 909,315.35
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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.