Finding the Fourth Proportional to 946,541.64, 1,307,609.28 and 818,995.80
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Solution
The fourth proportional to 946,541.64, 1,307,609.28 and 818,995.80 is: 1,131,409.82
Step by Step Solution
- Step 1: Write the proportion equation
946,541.64 : 1,307,609.28 = 818,995.80 : x - Step 2: Convert to fraction form
946,541.64/1,307,609.28 = 818,995.80/x - Step 3: Cross multiply
946,541.64x = 1,307,609.28 × 818,995.80 - Step 4: Simplify right side
946,541.64x = 1,070,926,508,361.02 - Step 5: Solve for x
x = 1,070,926,508,361.02/946,541.64 - Step 6: Final answer
x = 1,131,409.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.