Finding the Fourth Proportional to 1,089,724.28, 1,634,570.00 and 490,262.09
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Solution
The fourth proportional to 1,089,724.28, 1,634,570.00 and 490,262.09 is: 735,385.75
Step by Step Solution
- Step 1: Write the proportion equation
1,089,724.28 : 1,634,570.00 = 490,262.09 : x - Step 2: Convert to fraction form
1,089,724.28/1,634,570.00 = 490,262.09/x - Step 3: Cross multiply
1,089,724.28x = 1,634,570.00 × 490,262.09 - Step 4: Simplify right side
1,089,724.28x = 801,367,701,999.99 - Step 5: Solve for x
x = 801,367,701,999.99/1,089,724.28 - Step 6: Final answer
x = 735,385.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.