Finding the Fourth Proportional to 698,908.36, 1,048,362.56 and 225,663.44
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Solution
The fourth proportional to 698,908.36, 1,048,362.56 and 225,663.44 is: 338,495.17
Step by Step Solution
- Step 1: Write the proportion equation
698,908.36 : 1,048,362.56 = 225,663.44 : x - Step 2: Convert to fraction form
698,908.36/1,048,362.56 = 225,663.44/x - Step 3: Cross multiply
698,908.36x = 1,048,362.56 × 225,663.44 - Step 4: Simplify right side
698,908.36x = 236,577,101,656.81 - Step 5: Solve for x
x = 236,577,101,656.81/698,908.36 - Step 6: Final answer
x = 338,495.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.