Finding the Fourth Proportional to 878,266.18, 1,211,869.56 and 510,824.62
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Solution
The fourth proportional to 878,266.18, 1,211,869.56 and 510,824.62 is: 704,857.85
Step by Step Solution
- Step 1: Write the proportion equation
878,266.18 : 1,211,869.56 = 510,824.62 : x - Step 2: Convert to fraction form
878,266.18/1,211,869.56 = 510,824.62/x - Step 3: Cross multiply
878,266.18x = 1,211,869.56 × 510,824.62 - Step 4: Simplify right side
878,266.18x = 619,052,807,476.57 - Step 5: Solve for x
x = 619,052,807,476.57/878,266.18 - Step 6: Final answer
x = 704,857.85
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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.