Finding the Fourth Proportional to 798,844.05, 1,102,412.28 and 454,663.09
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Solution
The fourth proportional to 798,844.05, 1,102,412.28 and 454,663.09 is: 627,439.33
Step by Step Solution
- Step 1: Write the proportion equation
798,844.05 : 1,102,412.28 = 454,663.09 : x - Step 2: Convert to fraction form
798,844.05/1,102,412.28 = 454,663.09/x - Step 3: Cross multiply
798,844.05x = 1,102,412.28 × 454,663.09 - Step 4: Simplify right side
798,844.05x = 501,226,173,678.75 - Step 5: Solve for x
x = 501,226,173,678.75/798,844.05 - Step 6: Final answer
x = 627,439.33
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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.