Finding the Fourth Proportional to 1,207,477.67, 1,811,197.99 and 308,911.80
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Solution
The fourth proportional to 1,207,477.67, 1,811,197.99 and 308,911.80 is: 463,362.96
Step by Step Solution
- Step 1: Write the proportion equation
1,207,477.67 : 1,811,197.99 = 308,911.80 : x - Step 2: Convert to fraction form
1,207,477.67/1,811,197.99 = 308,911.80/x - Step 3: Cross multiply
1,207,477.67x = 1,811,197.99 × 308,911.80 - Step 4: Simplify right side
1,207,477.67x = 559,500,431,247.28 - Step 5: Solve for x
x = 559,500,431,247.28/1,207,477.67 - Step 6: Final answer
x = 463,362.96
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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.