Finding the Fourth Proportional to 1,040,172.36, 1,560,312 and 292,276.68
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Solution
The fourth proportional to 1,040,172.36, 1,560,312 and 292,276.68 is: 438,430.04
Step by Step Solution
- Step 1: Write the proportion equation
1,040,172.36 : 1,560,312 = 292,276.68 : x - Step 2: Convert to fraction form
1,040,172.36/1,560,312 = 292,276.68/x - Step 3: Cross multiply
1,040,172.36x = 1,560,312 × 292,276.68 - Step 4: Simplify right side
1,040,172.36x = 456,042,811,124.16 - Step 5: Solve for x
x = 456,042,811,124.16/1,040,172.36 - Step 6: Final answer
x = 438,430.04
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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.