Finding the Fourth Proportional to 1,089,720.26, 1,634,563.98 and 490,258.09
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Solution
The fourth proportional to 1,089,720.26, 1,634,563.98 and 490,258.09 is: 735,379.75
Step by Step Solution
- Step 1: Write the proportion equation
1,089,720.26 : 1,634,563.98 = 490,258.09 : x - Step 2: Convert to fraction form
1,089,720.26/1,634,563.98 = 490,258.09/x - Step 3: Cross multiply
1,089,720.26x = 1,634,563.98 × 490,258.09 - Step 4: Simplify right side
1,089,720.26x = 801,358,214,817.60 - Step 5: Solve for x
x = 801,358,214,817.60/1,089,720.26 - Step 6: Final answer
x = 735,379.75
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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.