Finding the Fourth Proportional to 554,290.48, 764,920.56 and 299,642.14
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Solution
The fourth proportional to 554,290.48, 764,920.56 and 299,642.14 is: 413,505.99
Step by Step Solution
- Step 1: Write the proportion equation
554,290.48 : 764,920.56 = 299,642.14 : x - Step 2: Convert to fraction form
554,290.48/764,920.56 = 299,642.14/x - Step 3: Cross multiply
554,290.48x = 764,920.56 × 299,642.14 - Step 4: Simplify right side
554,290.48x = 229,202,433,528.40 - Step 5: Solve for x
x = 229,202,433,528.40/554,290.48 - Step 6: Final answer
x = 413,505.99
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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.